1# tcl.m4 --
2#
3#	This file provides a set of autoconf macros to help TEA-enable
4#	a Tcl extension.
5#
6# Copyright (c) 1999-2000 Ajuba Solutions.
7# Copyright (c) 2002-2005 ActiveState Corporation.
8#
9# See the file "license.terms" for information on usage and redistribution
10# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
11#
12# RCS: @(#) $Id: tcl.m4 92 2007-07-06 01:20:29Z lbayuk $
13
14AC_PREREQ(2.50)
15
16dnl TEA extensions pass this us the version of TEA they think they
17dnl are compatible with (must be set in TEA_INIT below)
18dnl TEA_VERSION="3.5"
19
20# Possible values for key variables defined:
21#
22# TEA_WINDOWINGSYSTEM - win32 aqua x11 (mirrors 'tk windowingsystem')
23# TEA_PLATFORM        - windows unix
24#
25
26#------------------------------------------------------------------------
27# TEA_PATH_TCLCONFIG --
28#
29#	Locate the tclConfig.sh file and perform a sanity check on
30#	the Tcl compile flags
31#
32# Arguments:
33#	none
34#
35# Results:
36#
37#	Adds the following arguments to configure:
38#		--with-tcl=...
39#
40#	Defines the following vars:
41#		TCL_BIN_DIR	Full path to the directory containing
42#				the tclConfig.sh file
43#------------------------------------------------------------------------
44
45AC_DEFUN([TEA_PATH_TCLCONFIG], [
46    dnl Make sure we are initialized
47    AC_REQUIRE([TEA_INIT])
48    #
49    # Ok, lets find the tcl configuration
50    # First, look for one uninstalled.
51    # the alternative search directory is invoked by --with-tcl
52    #
53
54    if test x"${no_tcl}" = x ; then
55	# we reset no_tcl in case something fails here
56	no_tcl=true
57	AC_ARG_WITH(tcl,
58	    AC_HELP_STRING([--with-tcl],
59		[directory containing tcl configuration (tclConfig.sh)]),
60	    with_tclconfig=${withval})
61	AC_MSG_CHECKING([for Tcl configuration])
62	AC_CACHE_VAL(ac_cv_c_tclconfig,[
63
64	    # First check to see if --with-tcl was specified.
65	    if test x"${with_tclconfig}" != x ; then
66		case ${with_tclconfig} in
67		    */tclConfig.sh )
68			if test -f ${with_tclconfig}; then
69			    AC_MSG_WARN([--with-tcl argument should refer to directory containing tclConfig.sh, not to tclConfig.sh itself])
70			    with_tclconfig=`echo ${with_tclconfig} | sed 's!/tclConfig\.sh$!!'`
71			fi ;;
72		esac
73		if test -f "${with_tclconfig}/tclConfig.sh" ; then
74		    ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
75		else
76		    AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
77		fi
78	    fi
79
80	    # then check for a private Tcl installation
81	    if test x"${ac_cv_c_tclconfig}" = x ; then
82		for i in \
83			../tcl \
84			`ls -dr ../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
85			`ls -dr ../tcl[[8-9]].[[0-9]] 2>/dev/null` \
86			`ls -dr ../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
87			../../tcl \
88			`ls -dr ../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
89			`ls -dr ../../tcl[[8-9]].[[0-9]] 2>/dev/null` \
90			`ls -dr ../../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
91			../../../tcl \
92			`ls -dr ../../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
93			`ls -dr ../../../tcl[[8-9]].[[0-9]] 2>/dev/null` \
94			`ls -dr ../../../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
95		    if test -f "$i/unix/tclConfig.sh" ; then
96			ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
97			break
98		    fi
99		done
100	    fi
101
102	    # on Darwin, check in Framework installation locations
103	    if test "`uname -s`" = "Darwin" -a x"${ac_cv_c_tclconfig}" = x ; then
104		for i in `ls -d ~/Library/Frameworks 2>/dev/null` \
105			`ls -d /Library/Frameworks 2>/dev/null` \
106			`ls -d /Network/Library/Frameworks 2>/dev/null` \
107			`ls -d /System/Library/Frameworks 2>/dev/null` \
108			; do
109		    if test -f "$i/Tcl.framework/tclConfig.sh" ; then
110			ac_cv_c_tclconfig=`(cd $i/Tcl.framework; pwd)`
111			break
112		    fi
113		done
114	    fi
115
116	    # on Windows, check in common installation locations
117	    if test "${TEA_PLATFORM}" = "windows" \
118		-a x"${ac_cv_c_tclconfig}" = x ; then
119		for i in `ls -d C:/Tcl/lib 2>/dev/null` \
120			`ls -d C:/Progra~1/Tcl/lib 2>/dev/null` \
121			; do
122		    if test -f "$i/tclConfig.sh" ; then
123			ac_cv_c_tclconfig=`(cd $i; pwd)`
124			break
125		    fi
126		done
127	    fi
128
129	    # check in a few common install locations
130	    if test x"${ac_cv_c_tclconfig}" = x ; then
131		for i in `ls -d ${libdir} 2>/dev/null` \
132			`ls -d ${exec_prefix}/lib 2>/dev/null` \
133			`ls -d ${prefix}/lib 2>/dev/null` \
134			`ls -d /usr/local/lib 2>/dev/null` \
135			`ls -d /usr/contrib/lib 2>/dev/null` \
136			`ls -d /usr/lib 2>/dev/null` \
137			; do
138		    if test -f "$i/tclConfig.sh" ; then
139			ac_cv_c_tclconfig=`(cd $i; pwd)`
140			break
141		    fi
142		done
143	    fi
144
145	    # check in a few other private locations
146	    if test x"${ac_cv_c_tclconfig}" = x ; then
147		for i in \
148			${srcdir}/../tcl \
149			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
150			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]] 2>/dev/null` \
151			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
152		    if test -f "$i/unix/tclConfig.sh" ; then
153		    ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
154		    break
155		fi
156		done
157	    fi
158	])
159
160	if test x"${ac_cv_c_tclconfig}" = x ; then
161	    TCL_BIN_DIR="# no Tcl configs found"
162	    AC_MSG_WARN([Can't find Tcl configuration definitions])
163	    exit 0
164	else
165	    no_tcl=
166	    TCL_BIN_DIR=${ac_cv_c_tclconfig}
167	    AC_MSG_RESULT([found ${TCL_BIN_DIR}/tclConfig.sh])
168	fi
169    fi
170])
171
172#------------------------------------------------------------------------
173# TEA_PATH_TKCONFIG --
174#
175#	Locate the tkConfig.sh file
176#
177# Arguments:
178#	none
179#
180# Results:
181#
182#	Adds the following arguments to configure:
183#		--with-tk=...
184#
185#	Defines the following vars:
186#		TK_BIN_DIR	Full path to the directory containing
187#				the tkConfig.sh file
188#------------------------------------------------------------------------
189
190AC_DEFUN([TEA_PATH_TKCONFIG], [
191    #
192    # Ok, lets find the tk configuration
193    # First, look for one uninstalled.
194    # the alternative search directory is invoked by --with-tk
195    #
196
197    if test x"${no_tk}" = x ; then
198	# we reset no_tk in case something fails here
199	no_tk=true
200	AC_ARG_WITH(tk,
201	    AC_HELP_STRING([--with-tk],
202		[directory containing tk configuration (tkConfig.sh)]),
203	    with_tkconfig=${withval})
204	AC_MSG_CHECKING([for Tk configuration])
205	AC_CACHE_VAL(ac_cv_c_tkconfig,[
206
207	    # First check to see if --with-tkconfig was specified.
208	    if test x"${with_tkconfig}" != x ; then
209		case ${with_tkconfig} in
210		    */tkConfig.sh )
211			if test -f ${with_tkconfig}; then
212			    AC_MSG_WARN([--with-tk argument should refer to directory containing tkConfig.sh, not to tkConfig.sh itself])
213			    with_tkconfig=`echo ${with_tkconfig} | sed 's!/tkConfig\.sh$!!'`
214			fi ;;
215		esac
216		if test -f "${with_tkconfig}/tkConfig.sh" ; then
217		    ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
218		else
219		    AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
220		fi
221	    fi
222
223	    # then check for a private Tk library
224	    if test x"${ac_cv_c_tkconfig}" = x ; then
225		for i in \
226			../tk \
227			`ls -dr ../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
228			`ls -dr ../tk[[8-9]].[[0-9]] 2>/dev/null` \
229			`ls -dr ../tk[[8-9]].[[0-9]]* 2>/dev/null` \
230			../../tk \
231			`ls -dr ../../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
232			`ls -dr ../../tk[[8-9]].[[0-9]] 2>/dev/null` \
233			`ls -dr ../../tk[[8-9]].[[0-9]]* 2>/dev/null` \
234			../../../tk \
235			`ls -dr ../../../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
236			`ls -dr ../../../tk[[8-9]].[[0-9]] 2>/dev/null` \
237			`ls -dr ../../../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
238		    if test -f "$i/unix/tkConfig.sh" ; then
239			ac_cv_c_tkconfig=`(cd $i/unix; pwd)`
240			break
241		    fi
242		done
243	    fi
244
245	    # on Darwin, check in Framework installation locations
246	    if test "`uname -s`" = "Darwin" -a x"${ac_cv_c_tkconfig}" = x ; then
247		for i in `ls -d ~/Library/Frameworks 2>/dev/null` \
248			`ls -d /Library/Frameworks 2>/dev/null` \
249			`ls -d /Network/Library/Frameworks 2>/dev/null` \
250			`ls -d /System/Library/Frameworks 2>/dev/null` \
251			; do
252		    if test -f "$i/Tk.framework/tkConfig.sh" ; then
253			ac_cv_c_tkconfig=`(cd $i/Tk.framework; pwd)`
254			break
255		    fi
256		done
257	    fi
258
259	    # check in a few common install locations
260	    if test x"${ac_cv_c_tkconfig}" = x ; then
261		for i in `ls -d ${libdir} 2>/dev/null` \
262			`ls -d ${exec_prefix}/lib 2>/dev/null` \
263			`ls -d ${prefix}/lib 2>/dev/null` \
264			`ls -d /usr/local/lib 2>/dev/null` \
265			`ls -d /usr/contrib/lib 2>/dev/null` \
266			`ls -d /usr/lib 2>/dev/null` \
267			; do
268		    if test -f "$i/tkConfig.sh" ; then
269			ac_cv_c_tkconfig=`(cd $i; pwd)`
270			break
271		    fi
272		done
273	    fi
274
275	    # on Windows, check in common installation locations
276	    if test "${TEA_PLATFORM}" = "windows" \
277		-a x"${ac_cv_c_tkconfig}" = x ; then
278		for i in `ls -d C:/Tcl/lib 2>/dev/null` \
279			`ls -d C:/Progra~1/Tcl/lib 2>/dev/null` \
280			; do
281		    if test -f "$i/tkConfig.sh" ; then
282			ac_cv_c_tkconfig=`(cd $i; pwd)`
283			break
284		    fi
285		done
286	    fi
287
288	    # check in a few other private locations
289	    if test x"${ac_cv_c_tkconfig}" = x ; then
290		for i in \
291			${srcdir}/../tk \
292			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
293			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]] 2>/dev/null` \
294			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
295		    if test -f "$i/unix/tkConfig.sh" ; then
296			ac_cv_c_tkconfig=`(cd $i/unix; pwd)`
297			break
298		    fi
299		done
300	    fi
301	])
302
303	if test x"${ac_cv_c_tkconfig}" = x ; then
304	    TK_BIN_DIR="# no Tk configs found"
305	    AC_MSG_WARN([Can't find Tk configuration definitions])
306	    exit 0
307	else
308	    no_tk=
309	    TK_BIN_DIR=${ac_cv_c_tkconfig}
310	    AC_MSG_RESULT([found ${TK_BIN_DIR}/tkConfig.sh])
311	fi
312    fi
313])
314
315#------------------------------------------------------------------------
316# TEA_LOAD_TCLCONFIG --
317#
318#	Load the tclConfig.sh file
319#
320# Arguments:
321#
322#	Requires the following vars to be set:
323#		TCL_BIN_DIR
324#
325# Results:
326#
327#	Subst the following vars:
328#		TCL_BIN_DIR
329#		TCL_SRC_DIR
330#		TCL_LIB_FILE
331#
332#------------------------------------------------------------------------
333
334AC_DEFUN([TEA_LOAD_TCLCONFIG], [
335    AC_MSG_CHECKING([for existence of ${TCL_BIN_DIR}/tclConfig.sh])
336
337    if test -f "${TCL_BIN_DIR}/tclConfig.sh" ; then
338        AC_MSG_RESULT([loading])
339	. ${TCL_BIN_DIR}/tclConfig.sh
340    else
341        AC_MSG_RESULT([could not find ${TCL_BIN_DIR}/tclConfig.sh])
342    fi
343
344    # eval is required to do the TCL_DBGX substitution
345    eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""
346    eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\""
347
348    # If the TCL_BIN_DIR is the build directory (not the install directory),
349    # then set the common variable name to the value of the build variables.
350    # For example, the variable TCL_LIB_SPEC will be set to the value
351    # of TCL_BUILD_LIB_SPEC. An extension should make use of TCL_LIB_SPEC
352    # instead of TCL_BUILD_LIB_SPEC since it will work with both an
353    # installed and uninstalled version of Tcl.
354    if test -f ${TCL_BIN_DIR}/Makefile ; then
355        TCL_LIB_SPEC=${TCL_BUILD_LIB_SPEC}
356        TCL_STUB_LIB_SPEC=${TCL_BUILD_STUB_LIB_SPEC}
357        TCL_STUB_LIB_PATH=${TCL_BUILD_STUB_LIB_PATH}
358    elif test "`uname -s`" = "Darwin"; then
359	# If Tcl was built as a framework, attempt to use the libraries
360	# from the framework at the given location so that linking works
361	# against Tcl.framework installed in an arbitary location.
362	case ${TCL_DEFS} in
363	    *TCL_FRAMEWORK*)
364		if test -f ${TCL_BIN_DIR}/${TCL_LIB_FILE}; then
365		    for i in "`cd ${TCL_BIN_DIR}; pwd`" \
366			     "`cd ${TCL_BIN_DIR}/../..; pwd`"; do
367			if test "`basename "$i"`" = "${TCL_LIB_FILE}.framework"; then
368			    TCL_LIB_SPEC="-F`dirname "$i"` -framework ${TCL_LIB_FILE}"
369			    break
370			fi
371		    done
372		fi
373		if test -f ${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}; then
374		    TCL_STUB_LIB_SPEC="-L${TCL_BIN_DIR} ${TCL_STUB_LIB_FLAG}"
375		    TCL_STUB_LIB_PATH="${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}"
376		fi
377		;;
378	esac
379    fi
380
381    # eval is required to do the TCL_DBGX substitution
382    eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""
383    eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""
384    eval "TCL_STUB_LIB_FLAG=\"${TCL_STUB_LIB_FLAG}\""
385    eval "TCL_STUB_LIB_SPEC=\"${TCL_STUB_LIB_SPEC}\""
386
387    AC_SUBST(TCL_VERSION)
388    AC_SUBST(TCL_BIN_DIR)
389    AC_SUBST(TCL_SRC_DIR)
390
391    AC_SUBST(TCL_LIB_FILE)
392    AC_SUBST(TCL_LIB_FLAG)
393    AC_SUBST(TCL_LIB_SPEC)
394
395    AC_SUBST(TCL_STUB_LIB_FILE)
396    AC_SUBST(TCL_STUB_LIB_FLAG)
397    AC_SUBST(TCL_STUB_LIB_SPEC)
398
399    AC_SUBST(TCL_LIBS)
400    AC_SUBST(TCL_DEFS)
401    AC_SUBST(TCL_EXTRA_CFLAGS)
402    AC_SUBST(TCL_LD_FLAGS)
403    AC_SUBST(TCL_SHLIB_LD_LIBS)
404])
405
406#------------------------------------------------------------------------
407# TEA_LOAD_TKCONFIG --
408#
409#	Load the tkConfig.sh file
410#
411# Arguments:
412#
413#	Requires the following vars to be set:
414#		TK_BIN_DIR
415#
416# Results:
417#
418#	Sets the following vars that should be in tkConfig.sh:
419#		TK_BIN_DIR
420#------------------------------------------------------------------------
421
422AC_DEFUN([TEA_LOAD_TKCONFIG], [
423    AC_MSG_CHECKING([for existence of ${TK_BIN_DIR}/tkConfig.sh])
424
425    if test -f "${TK_BIN_DIR}/tkConfig.sh" ; then
426        AC_MSG_RESULT([loading])
427	. ${TK_BIN_DIR}/tkConfig.sh
428    else
429        AC_MSG_RESULT([could not find ${TK_BIN_DIR}/tkConfig.sh])
430    fi
431
432    # eval is required to do the TK_DBGX substitution
433    eval "TK_LIB_FILE=\"${TK_LIB_FILE}\""
434    eval "TK_STUB_LIB_FILE=\"${TK_STUB_LIB_FILE}\""
435
436    # If the TK_BIN_DIR is the build directory (not the install directory),
437    # then set the common variable name to the value of the build variables.
438    # For example, the variable TK_LIB_SPEC will be set to the value
439    # of TK_BUILD_LIB_SPEC. An extension should make use of TK_LIB_SPEC
440    # instead of TK_BUILD_LIB_SPEC since it will work with both an
441    # installed and uninstalled version of Tcl.
442    if test -f ${TK_BIN_DIR}/Makefile ; then
443        TK_LIB_SPEC=${TK_BUILD_LIB_SPEC}
444        TK_STUB_LIB_SPEC=${TK_BUILD_STUB_LIB_SPEC}
445        TK_STUB_LIB_PATH=${TK_BUILD_STUB_LIB_PATH}
446    elif test "`uname -s`" = "Darwin"; then
447	# If Tk was built as a framework, attempt to use the libraries
448	# from the framework at the given location so that linking works
449	# against Tk.framework installed in an arbitary location.
450	case ${TK_DEFS} in
451	    *TK_FRAMEWORK*)
452		if test -f ${TK_BIN_DIR}/${TK_LIB_FILE}; then
453		    for i in "`cd ${TK_BIN_DIR}; pwd`" \
454			     "`cd ${TK_BIN_DIR}/../..; pwd`"; do
455			if test "`basename "$i"`" = "${TK_LIB_FILE}.framework"; then
456			    TK_LIB_SPEC="-F`dirname "$i"` -framework ${TK_LIB_FILE}"
457			    break
458			fi
459		    done
460		fi
461		if test -f ${TK_BIN_DIR}/${TK_STUB_LIB_FILE}; then
462		    TK_STUB_LIB_SPEC="-L${TK_BIN_DIR} ${TK_STUB_LIB_FLAG}"
463		    TK_STUB_LIB_PATH="${TK_BIN_DIR}/${TK_STUB_LIB_FILE}"
464		fi
465		;;
466	esac
467    fi
468
469    # eval is required to do the TK_DBGX substitution
470    eval "TK_LIB_FLAG=\"${TK_LIB_FLAG}\""
471    eval "TK_LIB_SPEC=\"${TK_LIB_SPEC}\""
472    eval "TK_STUB_LIB_FLAG=\"${TK_STUB_LIB_FLAG}\""
473    eval "TK_STUB_LIB_SPEC=\"${TK_STUB_LIB_SPEC}\""
474
475    # Ensure windowingsystem is defined
476    if test "${TEA_PLATFORM}" = "unix" ; then
477	case ${TK_DEFS} in
478	    *MAC_OSX_TK*)
479		AC_DEFINE(MAC_OSX_TK, 1, [Are we building against Mac OS X TkAqua?])
480		TEA_WINDOWINGSYSTEM="aqua"
481		;;
482	    *)
483		TEA_WINDOWINGSYSTEM="x11"
484		;;
485	esac
486    elif test "${TEA_PLATFORM}" = "windows" ; then
487	TEA_WINDOWINGSYSTEM="win32"
488    fi
489
490    AC_SUBST(TK_VERSION)
491    AC_SUBST(TK_BIN_DIR)
492    AC_SUBST(TK_SRC_DIR)
493
494    AC_SUBST(TK_LIB_FILE)
495    AC_SUBST(TK_LIB_FLAG)
496    AC_SUBST(TK_LIB_SPEC)
497
498    AC_SUBST(TK_STUB_LIB_FILE)
499    AC_SUBST(TK_STUB_LIB_FLAG)
500    AC_SUBST(TK_STUB_LIB_SPEC)
501
502    AC_SUBST(TK_LIBS)
503    AC_SUBST(TK_XINCLUDES)
504])
505
506#------------------------------------------------------------------------
507# TEA_ENABLE_SHARED --
508#
509#	Allows the building of shared libraries
510#
511# Arguments:
512#	none
513#
514# Results:
515#
516#	Adds the following arguments to configure:
517#		--enable-shared=yes|no
518#
519#	Defines the following vars:
520#		STATIC_BUILD	Used for building import/export libraries
521#				on Windows.
522#
523#	Sets the following vars:
524#		SHARED_BUILD	Value of 1 or 0
525#------------------------------------------------------------------------
526
527AC_DEFUN([TEA_ENABLE_SHARED], [
528    AC_MSG_CHECKING([how to build libraries])
529    AC_ARG_ENABLE(shared,
530	AC_HELP_STRING([--enable-shared],
531	    [build and link with shared libraries (default: on)]),
532	[tcl_ok=$enableval], [tcl_ok=yes])
533
534    if test "${enable_shared+set}" = set; then
535	enableval="$enable_shared"
536	tcl_ok=$enableval
537    else
538	tcl_ok=yes
539    fi
540
541    if test "$tcl_ok" = "yes" ; then
542	AC_MSG_RESULT([shared])
543	SHARED_BUILD=1
544    else
545	AC_MSG_RESULT([static])
546	SHARED_BUILD=0
547	AC_DEFINE(STATIC_BUILD, 1, [Is this a static build?])
548    fi
549    AC_SUBST(SHARED_BUILD)
550])
551
552#------------------------------------------------------------------------
553# TEA_ENABLE_THREADS --
554#
555#	Specify if thread support should be enabled.  If "yes" is specified
556#	as an arg (optional), threads are enabled by default, "no" means
557#	threads are disabled.  "yes" is the default.
558#
559#	TCL_THREADS is checked so that if you are compiling an extension
560#	against a threaded core, your extension must be compiled threaded
561#	as well.
562#
563#	Note that it is legal to have a thread enabled extension run in a
564#	threaded or non-threaded Tcl core, but a non-threaded extension may
565#	only run in a non-threaded Tcl core.
566#
567# Arguments:
568#	none
569#
570# Results:
571#
572#	Adds the following arguments to configure:
573#		--enable-threads
574#
575#	Sets the following vars:
576#		THREADS_LIBS	Thread library(s)
577#
578#	Defines the following vars:
579#		TCL_THREADS
580#		_REENTRANT
581#		_THREAD_SAFE
582#
583#------------------------------------------------------------------------
584
585AC_DEFUN([TEA_ENABLE_THREADS], [
586    AC_ARG_ENABLE(threads,
587	AC_HELP_STRING([--enable-threads],
588	    [build with threads]),
589	[tcl_ok=$enableval], [tcl_ok=yes])
590
591    if test "${enable_threads+set}" = set; then
592	enableval="$enable_threads"
593	tcl_ok=$enableval
594    else
595	tcl_ok=yes
596    fi
597
598    if test "$tcl_ok" = "yes" -o "${TCL_THREADS}" = 1; then
599	TCL_THREADS=1
600
601	if test "${TEA_PLATFORM}" != "windows" ; then
602	    # We are always OK on Windows, so check what this platform wants:
603
604	    # USE_THREAD_ALLOC tells us to try the special thread-based
605	    # allocator that significantly reduces lock contention
606	    AC_DEFINE(USE_THREAD_ALLOC, 1,
607		[Do we want to use the threaded memory allocator?])
608	    AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?])
609	    if test "`uname -s`" = "SunOS" ; then
610		AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1,
611			[Do we really want to follow the standard? Yes we do!])
612	    fi
613	    AC_DEFINE(_THREAD_SAFE, 1, [Do we want the thread-safe OS API?])
614	    AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
615	    if test "$tcl_ok" = "no"; then
616		# Check a little harder for __pthread_mutex_init in the same
617		# library, as some systems hide it there until pthread.h is
618		# defined.  We could alternatively do an AC_TRY_COMPILE with
619		# pthread.h, but that will work with libpthread really doesn't
620		# exist, like AIX 4.2.  [Bug: 4359]
621		AC_CHECK_LIB(pthread, __pthread_mutex_init,
622		    tcl_ok=yes, tcl_ok=no)
623	    fi
624
625	    if test "$tcl_ok" = "yes"; then
626		# The space is needed
627		THREADS_LIBS=" -lpthread"
628	    else
629		AC_CHECK_LIB(pthreads, pthread_mutex_init,
630		    tcl_ok=yes, tcl_ok=no)
631		if test "$tcl_ok" = "yes"; then
632		    # The space is needed
633		    THREADS_LIBS=" -lpthreads"
634		else
635		    AC_CHECK_LIB(c, pthread_mutex_init,
636			tcl_ok=yes, tcl_ok=no)
637		    if test "$tcl_ok" = "no"; then
638			AC_CHECK_LIB(c_r, pthread_mutex_init,
639			    tcl_ok=yes, tcl_ok=no)
640			if test "$tcl_ok" = "yes"; then
641			    # The space is needed
642			    THREADS_LIBS=" -pthread"
643			else
644			    TCL_THREADS=0
645			    AC_MSG_WARN([Do not know how to find pthread lib on your system - thread support disabled])
646			fi
647		    fi
648		fi
649	    fi
650	fi
651    else
652	TCL_THREADS=0
653    fi
654    # Do checking message here to not mess up interleaved configure output
655    AC_MSG_CHECKING([for building with threads])
656    if test "${TCL_THREADS}" = 1; then
657	AC_DEFINE(TCL_THREADS, 1, [Are we building with threads enabled?])
658	AC_MSG_RESULT([yes (default)])
659    else
660	AC_MSG_RESULT([no])
661    fi
662    # TCL_THREADS sanity checking.  See if our request for building with
663    # threads is the same as the way Tcl was built.  If not, warn the user.
664    case ${TCL_DEFS} in
665	*THREADS=1*)
666	    if test "${TCL_THREADS}" = "0"; then
667		AC_MSG_WARN([
668    Building ${PACKAGE_NAME} without threads enabled, but building against Tcl
669    that IS thread-enabled.  It is recommended to use --enable-threads.])
670	    fi
671	    ;;
672	*)
673	    if test "${TCL_THREADS}" = "1"; then
674		AC_MSG_WARN([
675    --enable-threads requested, but building against a Tcl that is NOT
676    thread-enabled.  This is an OK configuration that will also run in
677    a thread-enabled core.])
678	    fi
679	    ;;
680    esac
681    AC_SUBST(TCL_THREADS)
682])
683
684#------------------------------------------------------------------------
685# TEA_ENABLE_SYMBOLS --
686#
687#	Specify if debugging symbols should be used.
688#	Memory (TCL_MEM_DEBUG) debugging can also be enabled.
689#
690# Arguments:
691#	none
692#
693#	TEA varies from core Tcl in that C|LDFLAGS_DEFAULT receives
694#	the value of C|LDFLAGS_OPTIMIZE|DEBUG already substituted.
695#	Requires the following vars to be set in the Makefile:
696#		CFLAGS_DEFAULT
697#		LDFLAGS_DEFAULT
698#
699# Results:
700#
701#	Adds the following arguments to configure:
702#		--enable-symbols
703#
704#	Defines the following vars:
705#		CFLAGS_DEFAULT	Sets to $(CFLAGS_DEBUG) if true
706#				Sets to $(CFLAGS_OPTIMIZE) if false
707#		LDFLAGS_DEFAULT	Sets to $(LDFLAGS_DEBUG) if true
708#				Sets to $(LDFLAGS_OPTIMIZE) if false
709#		DBGX		Formerly used as debug library extension;
710#				always blank now.
711#
712#------------------------------------------------------------------------
713
714AC_DEFUN([TEA_ENABLE_SYMBOLS], [
715    dnl Make sure we are initialized
716    AC_REQUIRE([TEA_CONFIG_CFLAGS])
717    AC_MSG_CHECKING([for build with symbols])
718    AC_ARG_ENABLE(symbols,
719	AC_HELP_STRING([--enable-symbols],
720	    [build with debugging symbols (default: off)]),
721	[tcl_ok=$enableval], [tcl_ok=no])
722    DBGX=""
723    if test "$tcl_ok" = "no"; then
724	CFLAGS_DEFAULT="${CFLAGS_OPTIMIZE}"
725	LDFLAGS_DEFAULT="${LDFLAGS_OPTIMIZE}"
726	AC_MSG_RESULT([no])
727    else
728	CFLAGS_DEFAULT="${CFLAGS_DEBUG}"
729	LDFLAGS_DEFAULT="${LDFLAGS_DEBUG}"
730	if test "$tcl_ok" = "yes"; then
731	    AC_MSG_RESULT([yes (standard debugging)])
732	fi
733    fi
734    if test "${TEA_PLATFORM}" != "windows" ; then
735	LDFLAGS_DEFAULT="${LDFLAGS}"
736    fi
737
738    AC_SUBST(TCL_DBGX)
739    AC_SUBST(CFLAGS_DEFAULT)
740    AC_SUBST(LDFLAGS_DEFAULT)
741
742    if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
743	AC_DEFINE(TCL_MEM_DEBUG, 1, [Is memory debugging enabled?])
744    fi
745
746    if test "$tcl_ok" != "yes" -a "$tcl_ok" != "no"; then
747	if test "$tcl_ok" = "all"; then
748	    AC_MSG_RESULT([enabled symbols mem debugging])
749	else
750	    AC_MSG_RESULT([enabled $tcl_ok debugging])
751	fi
752    fi
753])
754
755#------------------------------------------------------------------------
756# TEA_ENABLE_LANGINFO --
757#
758#	Allows use of modern nl_langinfo check for better l10n.
759#	This is only relevant for Unix.
760#
761# Arguments:
762#	none
763#
764# Results:
765#
766#	Adds the following arguments to configure:
767#		--enable-langinfo=yes|no (default is yes)
768#
769#	Defines the following vars:
770#		HAVE_LANGINFO	Triggers use of nl_langinfo if defined.
771#
772#------------------------------------------------------------------------
773
774AC_DEFUN([TEA_ENABLE_LANGINFO], [
775    AC_ARG_ENABLE(langinfo,
776	AC_HELP_STRING([--enable-langinfo],
777	    [use nl_langinfo if possible to determine encoding at startup, otherwise use old heuristic (default: on)]),
778	[langinfo_ok=$enableval], [langinfo_ok=yes])
779
780    HAVE_LANGINFO=0
781    if test "$langinfo_ok" = "yes"; then
782	AC_CHECK_HEADER(langinfo.h,[langinfo_ok=yes],[langinfo_ok=no])
783    fi
784    AC_MSG_CHECKING([whether to use nl_langinfo])
785    if test "$langinfo_ok" = "yes"; then
786	AC_CACHE_VAL(tcl_cv_langinfo_h,
787	    AC_TRY_COMPILE([#include <langinfo.h>], [nl_langinfo(CODESET);],
788		    [tcl_cv_langinfo_h=yes],[tcl_cv_langinfo_h=no]))
789	AC_MSG_RESULT([$tcl_cv_langinfo_h])
790	if test $tcl_cv_langinfo_h = yes; then
791	    AC_DEFINE(HAVE_LANGINFO, 1, [Do we have nl_langinfo()?])
792	fi
793    else
794	AC_MSG_RESULT([$langinfo_ok])
795    fi
796])
797
798#--------------------------------------------------------------------
799# TEA_CONFIG_SYSTEM
800#
801#	Determine what the system is (some things cannot be easily checked
802#	on a feature-driven basis, alas). This can usually be done via the
803#	"uname" command, but there are a few systems, like Next, where
804#	this doesn't work.
805#
806# Arguments:
807#	none
808#
809# Results:
810#	Defines the following var:
811#
812#	system -	System/platform/version identification code.
813#
814#--------------------------------------------------------------------
815
816AC_DEFUN([TEA_CONFIG_SYSTEM], [
817    AC_CACHE_CHECK([system version], tcl_cv_sys_version, [
818	if test "${TEA_PLATFORM}" = "windows" ; then
819	    tcl_cv_sys_version=windows
820	elif test -f /usr/lib/NextStep/software_version; then
821	    tcl_cv_sys_version=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
822	else
823	    tcl_cv_sys_version=`uname -s`-`uname -r`
824	    if test "$?" -ne 0 ; then
825		AC_MSG_WARN([can't find uname command])
826		tcl_cv_sys_version=unknown
827	    else
828		# Special check for weird MP-RAS system (uname returns weird
829		# results, and the version is kept in special file).
830
831		if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then
832		    tcl_cv_sys_version=MP-RAS-`awk '{print [$]3}' /etc/.relid`
833		fi
834		if test "`uname -s`" = "AIX" ; then
835		    tcl_cv_sys_version=AIX-`uname -v`.`uname -r`
836		fi
837	    fi
838	fi
839    ])
840    system=$tcl_cv_sys_version
841])
842
843#--------------------------------------------------------------------
844# TEA_CONFIG_CFLAGS
845#
846#	Try to determine the proper flags to pass to the compiler
847#	for building shared libraries and other such nonsense.
848#
849# Arguments:
850#	none
851#
852# Results:
853#
854#	Defines and substitutes the following vars:
855#
856#       DL_OBJS -       Name of the object file that implements dynamic
857#                       loading for Tcl on this system.
858#       DL_LIBS -       Library file(s) to include in tclsh and other base
859#                       applications in order for the "load" command to work.
860#       LDFLAGS -      Flags to pass to the compiler when linking object
861#                       files into an executable application binary such
862#                       as tclsh.
863#       LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib",
864#                       that tell the run-time dynamic linker where to look
865#                       for shared libraries such as libtcl.so.  Depends on
866#                       the variable LIB_RUNTIME_DIR in the Makefile. Could
867#                       be the same as CC_SEARCH_FLAGS if ${CC} is used to link.
868#       CC_SEARCH_FLAGS-Flags to pass to ${CC}, such as "-Wl,-rpath,/usr/local/tcl/lib",
869#                       that tell the run-time dynamic linker where to look
870#                       for shared libraries such as libtcl.so.  Depends on
871#                       the variable LIB_RUNTIME_DIR in the Makefile.
872#       SHLIB_CFLAGS -  Flags to pass to cc when compiling the components
873#                       of a shared library (may request position-independent
874#                       code, among other things).
875#       SHLIB_LD -      Base command to use for combining object files
876#                       into a shared library.
877#       SHLIB_LD_LIBS - Dependent libraries for the linker to scan when
878#                       creating shared libraries.  This symbol typically
879#                       goes at the end of the "ld" commands that build
880#                       shared libraries. The value of the symbol is
881#                       "${LIBS}" if all of the dependent libraries should
882#                       be specified when creating a shared library.  If
883#                       dependent libraries should not be specified (as on
884#                       SunOS 4.x, where they cause the link to fail, or in
885#                       general if Tcl and Tk aren't themselves shared
886#                       libraries), then this symbol has an empty string
887#                       as its value.
888#       SHLIB_SUFFIX -  Suffix to use for the names of dynamically loadable
889#                       extensions.  An empty string means we don't know how
890#                       to use shared libraries on this platform.
891#       LIB_SUFFIX -    Specifies everything that comes after the "libfoo"
892#                       in a static or shared library name, using the $VERSION variable
893#                       to put the version in the right place.  This is used
894#                       by platforms that need non-standard library names.
895#                       Examples:  ${VERSION}.so.1.1 on NetBSD, since it needs
896#                       to have a version after the .so, and ${VERSION}.a
897#                       on AIX, since a shared library needs to have
898#                       a .a extension whereas shared objects for loadable
899#                       extensions have a .so extension.  Defaults to
900#                       ${VERSION}${SHLIB_SUFFIX}.
901#       TCL_NEEDS_EXP_FILE -
902#                       1 means that an export file is needed to link to a
903#                       shared library.
904#       TCL_EXP_FILE -  The name of the installed export / import file which
905#                       should be used to link to the Tcl shared library.
906#                       Empty if Tcl is unshared.
907#       TCL_BUILD_EXP_FILE -
908#                       The name of the built export / import file which
909#                       should be used to link to the Tcl shared library.
910#                       Empty if Tcl is unshared.
911#	CFLAGS_DEBUG -
912#			Flags used when running the compiler in debug mode
913#	CFLAGS_OPTIMIZE -
914#			Flags used when running the compiler in optimize mode
915#	CFLAGS -	Additional CFLAGS added as necessary (usually 64-bit)
916#
917#--------------------------------------------------------------------
918
919AC_DEFUN([TEA_CONFIG_CFLAGS], [
920    dnl Make sure we are initialized
921    AC_REQUIRE([TEA_INIT])
922
923    # Step 0.a: Enable 64 bit support?
924
925    AC_MSG_CHECKING([if 64bit support is requested])
926    AC_ARG_ENABLE(64bit,
927	AC_HELP_STRING([--enable-64bit],
928	    [enable 64bit support (default: off)]),
929	[do64bit=$enableval], [do64bit=no])
930    AC_MSG_RESULT([$do64bit])
931
932    # Step 0.b: Enable Solaris 64 bit VIS support?
933
934    AC_MSG_CHECKING([if 64bit Sparc VIS support is requested])
935    AC_ARG_ENABLE(64bit-vis,
936	AC_HELP_STRING([--enable-64bit-vis],
937	    [enable 64bit Sparc VIS support (default: off)]),
938	[do64bitVIS=$enableval], [do64bitVIS=no])
939    AC_MSG_RESULT([$do64bitVIS])
940
941    if test "$do64bitVIS" = "yes"; then
942	# Force 64bit on with VIS
943	do64bit=yes
944    fi
945
946    # Step 0.c: Cross-compiling options for Windows/CE builds?
947
948    if test "${TEA_PLATFORM}" = "windows" ; then
949	AC_MSG_CHECKING([if Windows/CE build is requested])
950	AC_ARG_ENABLE(wince,[  --enable-wince          enable Win/CE support (where applicable)], [doWince=$enableval], [doWince=no])
951	AC_MSG_RESULT([$doWince])
952    fi
953
954    # Step 1: set the variable "system" to hold the name and version number
955    # for the system.
956
957    TEA_CONFIG_SYSTEM
958
959    # Step 2: check for existence of -ldl library.  This is needed because
960    # Linux can use either -ldl or -ldld for dynamic loading.
961
962    AC_CHECK_LIB(dl, dlopen, have_dl=yes, have_dl=no)
963
964    # Require ranlib early so we can override it in special cases below.
965
966    AC_REQUIRE([AC_PROG_RANLIB])
967
968    # Step 3: set configuration options based on system name and version.
969    # This is similar to Tcl's unix/tcl.m4 except that we've added a
970    # "windows" case.
971
972    do64bit_ok=no
973    LDFLAGS_ORIG="$LDFLAGS"
974    # When ld needs options to work in 64-bit mode, put them in
975    # LDFLAGS_ARCH so they eventually end up in LDFLAGS even if [load]
976    # is disabled by the user. [Bug 1016796]
977    LDFLAGS_ARCH=""
978    TCL_EXPORT_FILE_SUFFIX=""
979    UNSHARED_LIB_SUFFIX=""
980    TCL_TRIM_DOTS='`echo ${PACKAGE_VERSION} | tr -d .`'
981    ECHO_VERSION='`echo ${PACKAGE_VERSION}`'
982    TCL_LIB_VERSIONS_OK=ok
983    CFLAGS_DEBUG=-g
984    CFLAGS_OPTIMIZE=-O
985    if test "$GCC" = "yes" ; then
986	CFLAGS_OPTIMIZE=-O2
987	CFLAGS_WARNING="-Wall -Wno-implicit-int"
988    else
989	CFLAGS_WARNING=""
990    fi
991    TCL_NEEDS_EXP_FILE=0
992    TCL_BUILD_EXP_FILE=""
993    TCL_EXP_FILE=""
994dnl FIXME: Replace AC_CHECK_PROG with AC_CHECK_TOOL once cross compiling is fixed.
995dnl AC_CHECK_TOOL(AR, ar)
996    AC_CHECK_PROG(AR, ar, ar)
997    STLIB_LD='${AR} cr'
998    LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH"
999    case $system in
1000	windows)
1001	    # This is a 2-stage check to make sure we have the 64-bit SDK
1002	    # We have to know where the SDK is installed.
1003	    # This magic is based on MS Platform SDK for Win2003 SP1 - hobbs
1004	    # MACHINE is IX86 for LINK, but this is used by the manifest,
1005	    # which requires x86|amd64|ia64.
1006	    MACHINE="X86"
1007	    if test "$do64bit" != "no" ; then
1008		if test "x${MSSDK}x" = "xx" ; then
1009		    MSSDK="C:/Progra~1/Microsoft Platform SDK"
1010		fi
1011		MSSDK=`echo "$MSSDK" | sed -e  's!\\\!/!g'`
1012		PATH64=""
1013		case "$do64bit" in
1014		    amd64|x64|yes)
1015			MACHINE="AMD64" ; # default to AMD64 64-bit build
1016			PATH64="${MSSDK}/Bin/Win64/x86/AMD64"
1017			;;
1018		    ia64)
1019			MACHINE="IA64"
1020			PATH64="${MSSDK}/Bin/Win64"
1021			;;
1022		esac
1023		if test ! -d "${PATH64}" ; then
1024		    AC_MSG_WARN([Could not find 64-bit $MACHINE SDK to enable 64bit mode])
1025		    AC_MSG_WARN([Ensure latest Platform SDK is installed])
1026		    do64bit="no"
1027		else
1028		    AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
1029		    do64bit_ok="yes"
1030		fi
1031	    fi
1032
1033	    if test "$doWince" != "no" ; then
1034		if test "$do64bit" != "no" ; then
1035		    AC_MSG_ERROR([Windows/CE and 64-bit builds incompatible])
1036		fi
1037		if test "$GCC" = "yes" ; then
1038		    AC_MSG_ERROR([Windows/CE and GCC builds incompatible])
1039		fi
1040		TEA_PATH_CELIB
1041		# Set defaults for common evc4/PPC2003 setup
1042		# Currently Tcl requires 300+, possibly 420+ for sockets
1043		CEVERSION=420; 		# could be 211 300 301 400 420 ...
1044		TARGETCPU=ARMV4;	# could be ARMV4 ARM MIPS SH3 X86 ...
1045		ARCH=ARM;		# could be ARM MIPS X86EM ...
1046		PLATFORM="Pocket PC 2003"; # or "Pocket PC 2002"
1047		if test "$doWince" != "yes"; then
1048		    # If !yes then the user specified something
1049		    # Reset ARCH to allow user to skip specifying it
1050		    ARCH=
1051		    eval `echo $doWince | awk -F, '{ \
1052	    if (length([$]1)) { printf "CEVERSION=\"%s\"\n", [$]1; \
1053	    if ([$]1 < 400)   { printf "PLATFORM=\"Pocket PC 2002\"\n" } }; \
1054	    if (length([$]2)) { printf "TARGETCPU=\"%s\"\n", toupper([$]2) }; \
1055	    if (length([$]3)) { printf "ARCH=\"%s\"\n", toupper([$]3) }; \
1056	    if (length([$]4)) { printf "PLATFORM=\"%s\"\n", [$]4 }; \
1057		    }'`
1058		    if test "x${ARCH}" = "x" ; then
1059			ARCH=$TARGETCPU;
1060		    fi
1061		fi
1062		OSVERSION=WCE$CEVERSION;
1063	    	if test "x${WCEROOT}" = "x" ; then
1064			WCEROOT="C:/Program Files/Microsoft eMbedded C++ 4.0"
1065		    if test ! -d "${WCEROOT}" ; then
1066			WCEROOT="C:/Program Files/Microsoft eMbedded Tools"
1067		    fi
1068		fi
1069		if test "x${SDKROOT}" = "x" ; then
1070		    SDKROOT="C:/Program Files/Windows CE Tools"
1071		    if test ! -d "${SDKROOT}" ; then
1072			SDKROOT="C:/Windows CE Tools"
1073		    fi
1074		fi
1075		WCEROOT=`echo "$WCEROOT" | sed -e 's!\\\!/!g'`
1076		SDKROOT=`echo "$SDKROOT" | sed -e 's!\\\!/!g'`
1077		if test ! -d "${SDKROOT}/${OSVERSION}/${PLATFORM}/Lib/${TARGETCPU}" \
1078		    -o ! -d "${WCEROOT}/EVC/${OSVERSION}/bin"; then
1079		    AC_MSG_ERROR([could not find PocketPC SDK or target compiler to enable WinCE mode [$CEVERSION,$TARGETCPU,$ARCH,$PLATFORM]])
1080		    doWince="no"
1081		else
1082		    # We could PATH_NOSPACE these, but that's not important,
1083		    # as long as we quote them when used.
1084		    CEINCLUDE="${SDKROOT}/${OSVERSION}/${PLATFORM}/include"
1085		    if test -d "${CEINCLUDE}/${TARGETCPU}" ; then
1086			CEINCLUDE="${CEINCLUDE}/${TARGETCPU}"
1087		    fi
1088		    CELIBPATH="${SDKROOT}/${OSVERSION}/${PLATFORM}/Lib/${TARGETCPU}"
1089    		fi
1090	    fi
1091
1092	    if test "$GCC" != "yes" ; then
1093	        if test "${SHARED_BUILD}" = "0" ; then
1094		    runtime=-MT
1095	        else
1096		    runtime=-MD
1097	        fi
1098
1099                if test "$do64bit" != "no" ; then
1100		    # All this magic is necessary for the Win64 SDK RC1 - hobbs
1101		    CC="\"${PATH64}/cl.exe\""
1102		    CFLAGS="${CFLAGS} -I\"${MSSDK}/Include\" -I\"${MSSDK}/Include/crt\" -I\"${MSSDK}/Include/crt/sys\""
1103		    RC="\"${MSSDK}/bin/rc.exe\""
1104		    lflags="-nologo -MACHINE:${MACHINE} -LIBPATH:\"${MSSDK}/Lib/${MACHINE}\""
1105		    LINKBIN="\"${PATH64}/link.exe\""
1106		    CFLAGS_DEBUG="-nologo -Zi -Od -W3 ${runtime}d"
1107		    CFLAGS_OPTIMIZE="-nologo -O2 -W2 ${runtime}"
1108		    # Avoid 'unresolved external symbol __security_cookie'
1109		    # errors, c.f. http://support.microsoft.com/?id=894573
1110		    TEA_ADD_LIBS([bufferoverflowU.lib])
1111		elif test "$doWince" != "no" ; then
1112		    CEBINROOT="${WCEROOT}/EVC/${OSVERSION}/bin"
1113		    if test "${TARGETCPU}" = "X86"; then
1114			CC="\"${CEBINROOT}/cl.exe\""
1115		    else
1116			CC="\"${CEBINROOT}/cl${ARCH}.exe\""
1117		    fi
1118		    CFLAGS="$CFLAGS -I\"${CELIB_DIR}/inc\" -I\"${CEINCLUDE}\""
1119		    RC="\"${WCEROOT}/Common/EVC/bin/rc.exe\""
1120		    arch=`echo ${ARCH} | awk '{print tolower([$]0)}'`
1121		    defs="${ARCH} _${ARCH}_ ${arch} PALM_SIZE _MT _WINDOWS"
1122		    if test "${SHARED_BUILD}" = "1" ; then
1123			# Static CE builds require static celib as well
1124		    	defs="${defs} _DLL"
1125		    fi
1126		    for i in $defs ; do
1127			AC_DEFINE_UNQUOTED($i, 1, [WinCE def ]$i)
1128		    done
1129		    AC_DEFINE_UNQUOTED(_WIN32_WCE, $CEVERSION, [_WIN32_WCE version])
1130		    AC_DEFINE_UNQUOTED(UNDER_CE, $CEVERSION, [UNDER_CE version])
1131		    CFLAGS_DEBUG="-nologo -Zi -Od"
1132		    CFLAGS_OPTIMIZE="-nologo -Ox"
1133		    lversion=`echo ${CEVERSION} | sed -e 's/\(.\)\(..\)/\1\.\2/'`
1134		    lflags="-MACHINE:${ARCH} -LIBPATH:\"${CELIBPATH}\" -subsystem:windowsce,${lversion} -nologo"
1135		    LINKBIN="\"${CEBINROOT}/link.exe\""
1136		    AC_SUBST(CELIB_DIR)
1137		else
1138		    RC="rc"
1139		    lflags="-nologo"
1140    		    LINKBIN="link"
1141		    CFLAGS_DEBUG="-nologo -Z7 -Od -W3 -WX ${runtime}d"
1142		    CFLAGS_OPTIMIZE="-nologo -O2 -W2 ${runtime}"
1143		fi
1144	    fi
1145
1146	    if test "$GCC" = "yes"; then
1147		# mingw gcc mode
1148		RC="windres"
1149		CFLAGS_DEBUG="-g"
1150		CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
1151		SHLIB_LD="$CC -shared"
1152		UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1153		LDFLAGS_CONSOLE="-wl,--subsystem,console ${lflags}"
1154		LDFLAGS_WINDOW="-wl,--subsystem,windows ${lflags}"
1155	    else
1156		SHLIB_LD="${LINKBIN} -dll ${lflags}"
1157		# link -lib only works when -lib is the first arg
1158		STLIB_LD="${LINKBIN} -lib ${lflags}"
1159		UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.lib'
1160		PATHTYPE=-w
1161		# For information on what debugtype is most useful, see:
1162		# http://msdn.microsoft.com/library/en-us/dnvc60/html/gendepdebug.asp
1163		# This essentially turns it all on.
1164		LDFLAGS_DEBUG="-debug:full -debugtype:both -warn:2"
1165		LDFLAGS_OPTIMIZE="-release"
1166		if test "$doWince" != "no" ; then
1167		    LDFLAGS_CONSOLE="-link ${lflags}"
1168		    LDFLAGS_WINDOW=${LDFLAGS_CONSOLE}
1169		else
1170		    LDFLAGS_CONSOLE="-link -subsystem:console ${lflags}"
1171		    LDFLAGS_WINDOW="-link -subsystem:windows ${lflags}"
1172		fi
1173	    fi
1174
1175	    SHLIB_LD_LIBS='${LIBS}'
1176	    SHLIB_SUFFIX=".dll"
1177	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.dll'
1178
1179	    TCL_LIB_VERSIONS_OK=nodots
1180	    # Bogus to avoid getting this turned off
1181	    DL_OBJS="tclLoadNone.obj"
1182    	    ;;
1183	AIX-*)
1184	    if test "${TCL_THREADS}" = "1" -a "$GCC" != "yes" ; then
1185		# AIX requires the _r compiler when gcc isn't being used
1186		case "${CC}" in
1187		    *_r)
1188			# ok ...
1189			;;
1190		    *)
1191			CC=${CC}_r
1192			;;
1193		esac
1194		AC_MSG_RESULT([Using $CC for compiling with threads])
1195	    fi
1196	    LIBS="$LIBS -lc"
1197	    SHLIB_CFLAGS=""
1198	    SHLIB_LD_LIBS='${LIBS}'
1199	    SHLIB_SUFFIX=".so"
1200
1201	    DL_OBJS="tclLoadDl.o"
1202	    LD_LIBRARY_PATH_VAR="LIBPATH"
1203
1204	    # Check to enable 64-bit flags for compiler/linker on AIX 4+
1205	    if test "$do64bit" = "yes" -a "`uname -v`" -gt "3" ; then
1206		if test "$GCC" = "yes" ; then
1207		    AC_MSG_WARN([64bit mode not supported with GCC on $system])
1208		else
1209		    do64bit_ok=yes
1210		    CFLAGS="$CFLAGS -q64"
1211		    LDFLAGS_ARCH="-q64"
1212		    RANLIB="${RANLIB} -X64"
1213		    AR="${AR} -X64"
1214		    SHLIB_LD_FLAGS="-b64"
1215		fi
1216	    fi
1217
1218	    if test "`uname -m`" = "ia64" ; then
1219		# AIX-5 uses ELF style dynamic libraries on IA-64, but not PPC
1220		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
1221		# AIX-5 has dl* in libc.so
1222		DL_LIBS=""
1223		if test "$GCC" = "yes" ; then
1224		    CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
1225		else
1226		    CC_SEARCH_FLAGS='-R${LIB_RUNTIME_DIR}'
1227		fi
1228		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
1229	    else
1230		if test "$GCC" = "yes" ; then
1231		    SHLIB_LD="gcc -shared"
1232		else
1233		    SHLIB_LD="/bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512 -bnoentry"
1234		fi
1235		SHLIB_LD="${TCL_SRC_DIR}/unix/ldAix ${SHLIB_LD} ${SHLIB_LD_FLAGS}"
1236		DL_LIBS="-ldl"
1237		CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
1238		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1239		TCL_NEEDS_EXP_FILE=1
1240		TCL_EXPORT_FILE_SUFFIX='${PACKAGE_VERSION}.exp'
1241	    fi
1242
1243	    # AIX v<=4.1 has some different flags than 4.2+
1244	    if test "$system" = "AIX-4.1" -o "`uname -v`" -lt "4" ; then
1245		AC_LIBOBJ([tclLoadAix])
1246		DL_LIBS="-lld"
1247	    fi
1248
1249	    # On AIX <=v4 systems, libbsd.a has to be linked in to support
1250	    # non-blocking file IO.  This library has to be linked in after
1251	    # the MATH_LIBS or it breaks the pow() function.  The way to
1252	    # insure proper sequencing, is to add it to the tail of MATH_LIBS.
1253	    # This library also supplies gettimeofday.
1254	    #
1255	    # AIX does not have a timezone field in struct tm. When the AIX
1256	    # bsd library is used, the timezone global and the gettimeofday
1257	    # methods are to be avoided for timezone deduction instead, we
1258	    # deduce the timezone by comparing the localtime result on a
1259	    # known GMT value.
1260
1261	    AC_CHECK_LIB(bsd, gettimeofday, libbsd=yes, libbsd=no)
1262	    if test $libbsd = yes; then
1263	    	MATH_LIBS="$MATH_LIBS -lbsd"
1264	    	AC_DEFINE(USE_DELTA_FOR_TZ, 1, [Do we need a special AIX hack for timezones?])
1265	    fi
1266	    ;;
1267	BeOS*)
1268	    SHLIB_CFLAGS="-fPIC"
1269	    SHLIB_LD="${CC} -nostart"
1270	    SHLIB_LD_LIBS='${LIBS}'
1271	    SHLIB_SUFFIX=".so"
1272	    DL_OBJS="tclLoadDl.o"
1273	    DL_LIBS="-ldl"
1274
1275	    #-----------------------------------------------------------
1276	    # Check for inet_ntoa in -lbind, for BeOS (which also needs
1277	    # -lsocket, even if the network functions are in -lnet which
1278	    # is always linked to, for compatibility.
1279	    #-----------------------------------------------------------
1280	    AC_CHECK_LIB(bind, inet_ntoa, [LIBS="$LIBS -lbind -lsocket"])
1281	    ;;
1282	BSD/OS-2.1*|BSD/OS-3*)
1283	    SHLIB_CFLAGS=""
1284	    SHLIB_LD="shlicc -r"
1285	    SHLIB_LD_LIBS='${LIBS}'
1286	    SHLIB_SUFFIX=".so"
1287	    DL_OBJS="tclLoadDl.o"
1288	    DL_LIBS="-ldl"
1289	    CC_SEARCH_FLAGS=""
1290	    LD_SEARCH_FLAGS=""
1291	    ;;
1292	BSD/OS-4.*)
1293	    SHLIB_CFLAGS="-export-dynamic -fPIC"
1294	    SHLIB_LD="cc -shared"
1295	    SHLIB_LD_LIBS='${LIBS}'
1296	    SHLIB_SUFFIX=".so"
1297	    DL_OBJS="tclLoadDl.o"
1298	    DL_LIBS="-ldl"
1299	    LDFLAGS="$LDFLAGS -export-dynamic"
1300	    CC_SEARCH_FLAGS=""
1301	    LD_SEARCH_FLAGS=""
1302	    ;;
1303	dgux*)
1304	    SHLIB_CFLAGS="-K PIC"
1305	    SHLIB_LD="cc -G"
1306	    SHLIB_LD_LIBS=""
1307	    SHLIB_SUFFIX=".so"
1308	    DL_OBJS="tclLoadDl.o"
1309	    DL_LIBS="-ldl"
1310	    CC_SEARCH_FLAGS=""
1311	    LD_SEARCH_FLAGS=""
1312	    ;;
1313	HP-UX-*.11.*)
1314	    # Use updated header definitions where possible
1315	    AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, [Do we want to use the XOPEN network library?])
1316	    # Needed by Tcl, but not most extensions
1317	    #AC_DEFINE(_XOPEN_SOURCE, 1, [Do we want to use the XOPEN network library?])
1318	    #LIBS="$LIBS -lxnet"               # Use the XOPEN network library
1319
1320	    SHLIB_SUFFIX=".sl"
1321	    AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
1322	    if test "$tcl_ok" = yes; then
1323		SHLIB_CFLAGS="+z"
1324		SHLIB_LD="ld -b"
1325		SHLIB_LD_LIBS='${LIBS}'
1326		DL_OBJS="tclLoadShl.o"
1327		DL_LIBS="-ldld"
1328		LDFLAGS="$LDFLAGS -Wl,-E"
1329		CC_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
1330		LD_SEARCH_FLAGS='+s +b ${LIB_RUNTIME_DIR}:.'
1331		LD_LIBRARY_PATH_VAR="SHLIB_PATH"
1332	    fi
1333	    if test "$GCC" = "yes" ; then
1334		SHLIB_LD="gcc -shared"
1335		SHLIB_LD_LIBS='${LIBS}'
1336		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1337	    fi
1338
1339	    # Users may want PA-RISC 1.1/2.0 portable code - needs HP cc
1340	    #CFLAGS="$CFLAGS +DAportable"
1341
1342	    # Check to enable 64-bit flags for compiler/linker
1343	    if test "$do64bit" = "yes" ; then
1344		if test "$GCC" = "yes" ; then
1345		    hpux_arch=`${CC} -dumpmachine`
1346		    case $hpux_arch in
1347			hppa64*)
1348			    # 64-bit gcc in use.  Fix flags for GNU ld.
1349			    do64bit_ok=yes
1350			    SHLIB_LD="${CC} -shared"
1351			    SHLIB_LD_LIBS='${LIBS}'
1352			    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1353			    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1354			    ;;
1355			*)
1356			    AC_MSG_WARN([64bit mode not supported with GCC on $system])
1357			    ;;
1358		    esac
1359		else
1360		    do64bit_ok=yes
1361		    CFLAGS="$CFLAGS +DD64"
1362		    LDFLAGS_ARCH="+DD64"
1363		fi
1364	    fi
1365	    ;;
1366	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
1367	    SHLIB_SUFFIX=".sl"
1368	    AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
1369	    if test "$tcl_ok" = yes; then
1370		SHLIB_CFLAGS="+z"
1371		SHLIB_LD="ld -b"
1372		SHLIB_LD_LIBS=""
1373		DL_OBJS="tclLoadShl.o"
1374		DL_LIBS="-ldld"
1375		LDFLAGS="$LDFLAGS -Wl,-E"
1376		CC_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
1377		LD_SEARCH_FLAGS='+s +b ${LIB_RUNTIME_DIR}:.'
1378		LD_LIBRARY_PATH_VAR="SHLIB_PATH"
1379	    fi
1380	    ;;
1381	IRIX-5.*)
1382	    SHLIB_CFLAGS=""
1383	    SHLIB_LD="ld -shared -rdata_shared"
1384	    SHLIB_LD_LIBS='${LIBS}'
1385	    SHLIB_SUFFIX=".so"
1386	    DL_OBJS="tclLoadDl.o"
1387	    DL_LIBS=""
1388	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1389	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1390	    ;;
1391	IRIX-6.*)
1392	    SHLIB_CFLAGS=""
1393	    SHLIB_LD="ld -n32 -shared -rdata_shared"
1394	    SHLIB_LD_LIBS='${LIBS}'
1395	    SHLIB_SUFFIX=".so"
1396	    DL_OBJS="tclLoadDl.o"
1397	    DL_LIBS=""
1398	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1399	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1400	    if test "$GCC" = "yes" ; then
1401		CFLAGS="$CFLAGS -mabi=n32"
1402		LDFLAGS="$LDFLAGS -mabi=n32"
1403	    else
1404		case $system in
1405		    IRIX-6.3)
1406			# Use to build 6.2 compatible binaries on 6.3.
1407			CFLAGS="$CFLAGS -n32 -D_OLD_TERMIOS"
1408			;;
1409		    *)
1410			CFLAGS="$CFLAGS -n32"
1411			;;
1412		esac
1413		LDFLAGS="$LDFLAGS -n32"
1414	    fi
1415	    ;;
1416	IRIX64-6.*)
1417	    SHLIB_CFLAGS=""
1418	    SHLIB_LD="ld -n32 -shared -rdata_shared"
1419	    SHLIB_LD_LIBS='${LIBS}'
1420	    SHLIB_SUFFIX=".so"
1421	    DL_OBJS="tclLoadDl.o"
1422	    DL_LIBS=""
1423	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1424	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1425
1426	    # Check to enable 64-bit flags for compiler/linker
1427
1428	    if test "$do64bit" = "yes" ; then
1429	        if test "$GCC" = "yes" ; then
1430	            AC_MSG_WARN([64bit mode not supported by gcc])
1431	        else
1432	            do64bit_ok=yes
1433	            SHLIB_LD="ld -64 -shared -rdata_shared"
1434	            CFLAGS="$CFLAGS -64"
1435	            LDFLAGS_ARCH="-64"
1436	        fi
1437	    fi
1438	    ;;
1439	Linux*)
1440	    SHLIB_CFLAGS="-fPIC"
1441	    SHLIB_LD_LIBS='${LIBS}'
1442	    SHLIB_SUFFIX=".so"
1443
1444	    CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
1445	    # egcs-2.91.66 on Redhat Linux 6.0 generates lots of warnings
1446	    # when you inline the string and math operations.  Turn this off to
1447	    # get rid of the warnings.
1448	    #CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
1449
1450	    SHLIB_LD="${CC} -shared"
1451	    DL_OBJS="tclLoadDl.o"
1452	    DL_LIBS="-ldl"
1453	    LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
1454	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1455	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1456	    if test "`uname -m`" = "alpha" ; then
1457		CFLAGS="$CFLAGS -mieee"
1458	    fi
1459
1460	    # The combo of gcc + glibc has a bug related
1461	    # to inlining of functions like strtod(). The
1462	    # -fno-builtin flag should address this problem
1463	    # but it does not work. The -fno-inline flag
1464	    # is kind of overkill but it works.
1465	    # Disable inlining only when one of the
1466	    # files in compat/*.c is being linked in.
1467	    if test x"${USE_COMPAT}" != x ; then
1468	        CFLAGS="$CFLAGS -fno-inline"
1469	    fi
1470
1471	    ;;
1472	GNU*)
1473	    SHLIB_CFLAGS="-fPIC"
1474	    SHLIB_LD_LIBS='${LIBS}'
1475	    SHLIB_SUFFIX=".so"
1476
1477	    SHLIB_LD="${CC} -shared"
1478	    DL_OBJS=""
1479	    DL_LIBS="-ldl"
1480	    LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
1481	    CC_SEARCH_FLAGS=""
1482	    LD_SEARCH_FLAGS=""
1483	    if test "`uname -m`" = "alpha" ; then
1484		CFLAGS="$CFLAGS -mieee"
1485	    fi
1486	    ;;
1487	Lynx*)
1488	    SHLIB_CFLAGS="-fPIC"
1489	    SHLIB_LD_LIBS='${LIBS}'
1490	    SHLIB_SUFFIX=".so"
1491	    CFLAGS_OPTIMIZE=-02
1492	    SHLIB_LD="${CC} -shared "
1493	    DL_OBJS="tclLoadDl.o"
1494	    DL_LIBS="-mshared -ldl"
1495	    LD_FLAGS="-Wl,--export-dynamic"
1496	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1497	    LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1498	    ;;
1499	MP-RAS-02*)
1500	    SHLIB_CFLAGS="-K PIC"
1501	    SHLIB_LD="cc -G"
1502	    SHLIB_LD_LIBS=""
1503	    SHLIB_SUFFIX=".so"
1504	    DL_OBJS="tclLoadDl.o"
1505	    DL_LIBS="-ldl"
1506	    CC_SEARCH_FLAGS=""
1507	    LD_SEARCH_FLAGS=""
1508	    ;;
1509	MP-RAS-*)
1510	    SHLIB_CFLAGS="-K PIC"
1511	    SHLIB_LD="cc -G"
1512	    SHLIB_LD_LIBS=""
1513	    SHLIB_SUFFIX=".so"
1514	    DL_OBJS="tclLoadDl.o"
1515	    DL_LIBS="-ldl"
1516	    LDFLAGS="$LDFLAGS -Wl,-Bexport"
1517	    CC_SEARCH_FLAGS=""
1518	    LD_SEARCH_FLAGS=""
1519	    ;;
1520	NetBSD-*|FreeBSD-[[1-2]].*)
1521	    # NetBSD/SPARC needs -fPIC, -fpic will not do.
1522	    SHLIB_CFLAGS="-fPIC"
1523	    SHLIB_LD="ld -Bshareable -x"
1524	    SHLIB_LD_LIBS='${LIBS}'
1525	    SHLIB_SUFFIX=".so"
1526	    DL_OBJS="tclLoadDl.o"
1527	    DL_LIBS=""
1528	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1529	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1530	    AC_CACHE_CHECK([for ELF], tcl_cv_ld_elf, [
1531		AC_EGREP_CPP(yes, [
1532#ifdef __ELF__
1533	yes
1534#endif
1535		], tcl_cv_ld_elf=yes, tcl_cv_ld_elf=no)])
1536	    if test $tcl_cv_ld_elf = yes; then
1537		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
1538	    else
1539		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
1540	    fi
1541
1542	    # Ancient FreeBSD doesn't handle version numbers with dots.
1543
1544	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1545	    TCL_LIB_VERSIONS_OK=nodots
1546	    ;;
1547	OpenBSD-*)
1548	    # OpenBSD/SPARC[64] needs -fPIC, -fpic will not do.
1549	    case `machine` in
1550	    sparc|sparc64)
1551		SHLIB_CFLAGS="-fPIC";;
1552	    *)
1553		SHLIB_CFLAGS="-fpic";;
1554	    esac
1555	    SHLIB_LD="${CC} -shared ${SHLIB_CFLAGS}"
1556	    SHLIB_LD_LIBS='${LIBS}'
1557	    SHLIB_SUFFIX=".so"
1558	    DL_OBJS="tclLoadDl.o"
1559	    DL_LIBS=""
1560	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1561	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1562	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
1563	    AC_CACHE_CHECK([for ELF], tcl_cv_ld_elf, [
1564		AC_EGREP_CPP(yes, [
1565#ifdef __ELF__
1566	yes
1567#endif
1568		], tcl_cv_ld_elf=yes, tcl_cv_ld_elf=no)])
1569	    if test $tcl_cv_ld_elf = yes; then
1570		LDFLAGS=-Wl,-export-dynamic
1571	    else
1572		LDFLAGS=""
1573	    fi
1574
1575	    # OpenBSD doesn't do version numbers with dots.
1576	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1577	    TCL_LIB_VERSIONS_OK=nodots
1578	    ;;
1579	FreeBSD-*)
1580	    # FreeBSD 3.* and greater have ELF.
1581	    SHLIB_CFLAGS="-fPIC"
1582	    SHLIB_LD="ld -Bshareable -x"
1583	    SHLIB_LD_LIBS='${LIBS}'
1584	    SHLIB_SUFFIX=".so"
1585	    DL_OBJS="tclLoadDl.o"
1586	    DL_LIBS=""
1587	    LDFLAGS="$LDFLAGS -export-dynamic"
1588	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1589	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1590	    if test "${TCL_THREADS}" = "1" ; then
1591		# The -pthread needs to go in the CFLAGS, not LIBS
1592		LIBS=`echo $LIBS | sed s/-pthread//`
1593		CFLAGS="$CFLAGS -pthread"
1594	    	LDFLAGS="$LDFLAGS -pthread"
1595	    fi
1596	    case $system in
1597	    FreeBSD-3.*)
1598	    	# FreeBSD-3 doesn't handle version numbers with dots.
1599	    	UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1600	    	SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
1601	    	TCL_LIB_VERSIONS_OK=nodots
1602		;;
1603	    esac
1604	    ;;
1605	Darwin-*)
1606	    CFLAGS_OPTIMIZE="-Os"
1607	    SHLIB_CFLAGS="-fno-common"
1608	    if test $do64bit = yes; then
1609	        do64bit_ok=yes
1610	        CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
1611	    fi
1612	    # TEA specific: use LDFLAGS_DEFAULT instead of LDFLAGS here:
1613	    SHLIB_LD='${CC} -dynamiclib ${CFLAGS} ${LDFLAGS_DEFAULT}'
1614	    AC_CACHE_CHECK([if ld accepts -single_module flag], tcl_cv_ld_single_module, [
1615	        hold_ldflags=$LDFLAGS
1616	        LDFLAGS="$LDFLAGS -dynamiclib -Wl,-single_module"
1617	        AC_TRY_LINK(, [int i;], tcl_cv_ld_single_module=yes, tcl_cv_ld_single_module=no)
1618	        LDFLAGS=$hold_ldflags])
1619	    if test $tcl_cv_ld_single_module = yes; then
1620	        SHLIB_LD="${SHLIB_LD} -Wl,-single_module"
1621	    fi
1622	    SHLIB_LD_LIBS='${LIBS}'
1623	    SHLIB_SUFFIX=".dylib"
1624	    DL_OBJS="tclLoadDyld.o"
1625	    DL_LIBS=""
1626	    # Don't use -prebind when building for Mac OS X 10.4 or later only:
1627	    test -z "${MACOSX_DEPLOYMENT_TARGET}" || \
1628		test "`echo "${MACOSX_DEPLOYMENT_TARGET}" | awk -F. '{print [$]2}'`" -lt 4 && \
1629		LDFLAGS="$LDFLAGS -prebind"
1630	    LDFLAGS="$LDFLAGS -headerpad_max_install_names"
1631	    AC_CACHE_CHECK([if ld accepts -search_paths_first flag], tcl_cv_ld_search_paths_first, [
1632	        hold_ldflags=$LDFLAGS
1633	        LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
1634	        AC_TRY_LINK(, [int i;], tcl_cv_ld_search_paths_first=yes, tcl_cv_ld_search_paths_first=no)
1635	        LDFLAGS=$hold_ldflags])
1636	    if test $tcl_cv_ld_search_paths_first = yes; then
1637	        LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
1638	    fi
1639	    CC_SEARCH_FLAGS=""
1640	    LD_SEARCH_FLAGS=""
1641	    LD_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH"
1642
1643	    # TEA specific: for Tk extensions, remove -arch ppc64 from CFLAGS
1644	    # for fat builds, as neither TkAqua nor TkX11 can be built for 64bit
1645	    # at present (no 64bit GUI libraries).
1646	    test $do64bit_ok = no && test -n "${TK_BIN_DIR}" && \
1647	        CFLAGS="`echo "$CFLAGS" | sed -e 's/-arch ppc64/-arch ppc/g'`"
1648	    ;;
1649	NEXTSTEP-*)
1650	    SHLIB_CFLAGS=""
1651	    SHLIB_LD="cc -nostdlib -r"
1652	    SHLIB_LD_LIBS=""
1653	    SHLIB_SUFFIX=".so"
1654	    DL_OBJS="tclLoadNext.o"
1655	    DL_LIBS=""
1656	    CC_SEARCH_FLAGS=""
1657	    LD_SEARCH_FLAGS=""
1658	    ;;
1659	OS/390-*)
1660	    CFLAGS_OPTIMIZE=""		# Optimizer is buggy
1661	    AC_DEFINE(_OE_SOCKETS, 1,	# needed in sys/socket.h
1662		[Should OS/390 do the right thing with sockets?])
1663	    ;;
1664	OSF1-1.0|OSF1-1.1|OSF1-1.2)
1665	    # OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1
1666	    SHLIB_CFLAGS=""
1667	    # Hack: make package name same as library name
1668	    SHLIB_LD='ld -R -export $@:'
1669	    SHLIB_LD_LIBS=""
1670	    SHLIB_SUFFIX=".so"
1671	    DL_OBJS="tclLoadOSF.o"
1672	    DL_LIBS=""
1673	    CC_SEARCH_FLAGS=""
1674	    LD_SEARCH_FLAGS=""
1675	    ;;
1676	OSF1-1.*)
1677	    # OSF/1 1.3 from OSF using ELF, and derivatives, including AD2
1678	    SHLIB_CFLAGS="-fPIC"
1679	    if test "$SHARED_BUILD" = "1" ; then
1680	        SHLIB_LD="ld -shared"
1681	    else
1682	        SHLIB_LD="ld -non_shared"
1683	    fi
1684	    SHLIB_LD_LIBS=""
1685	    SHLIB_SUFFIX=".so"
1686	    DL_OBJS="tclLoadDl.o"
1687	    DL_LIBS=""
1688	    CC_SEARCH_FLAGS=""
1689	    LD_SEARCH_FLAGS=""
1690	    ;;
1691	OSF1-V*)
1692	    # Digital OSF/1
1693	    SHLIB_CFLAGS=""
1694	    if test "$SHARED_BUILD" = "1" ; then
1695	        SHLIB_LD='ld -shared -expect_unresolved "*"'
1696	    else
1697	        SHLIB_LD='ld -non_shared -expect_unresolved "*"'
1698	    fi
1699	    SHLIB_LD_LIBS=""
1700	    SHLIB_SUFFIX=".so"
1701	    DL_OBJS="tclLoadDl.o"
1702	    DL_LIBS=""
1703	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1704	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1705	    if test "$GCC" = "yes" ; then
1706		CFLAGS="$CFLAGS -mieee"
1707            else
1708		CFLAGS="$CFLAGS -DHAVE_TZSET -std1 -ieee"
1709	    fi
1710	    # see pthread_intro(3) for pthread support on osf1, k.furukawa
1711	    if test "${TCL_THREADS}" = "1" ; then
1712		CFLAGS="$CFLAGS -DHAVE_PTHREAD_ATTR_SETSTACKSIZE"
1713		CFLAGS="$CFLAGS -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
1714		LIBS=`echo $LIBS | sed s/-lpthreads//`
1715		if test "$GCC" = "yes" ; then
1716		    LIBS="$LIBS -lpthread -lmach -lexc"
1717		else
1718		    CFLAGS="$CFLAGS -pthread"
1719		    LDFLAGS="$LDFLAGS -pthread"
1720		fi
1721	    fi
1722
1723	    ;;
1724	QNX-6*)
1725	    # QNX RTP
1726	    # This may work for all QNX, but it was only reported for v6.
1727	    SHLIB_CFLAGS="-fPIC"
1728	    SHLIB_LD="ld -Bshareable -x"
1729	    SHLIB_LD_LIBS=""
1730	    SHLIB_SUFFIX=".so"
1731	    DL_OBJS="tclLoadDl.o"
1732	    # dlopen is in -lc on QNX
1733	    DL_LIBS=""
1734	    CC_SEARCH_FLAGS=""
1735	    LD_SEARCH_FLAGS=""
1736	    ;;
1737	SCO_SV-3.2*)
1738	    # Note, dlopen is available only on SCO 3.2.5 and greater. However,
1739	    # this test works, since "uname -s" was non-standard in 3.2.4 and
1740	    # below.
1741	    if test "$GCC" = "yes" ; then
1742	    	SHLIB_CFLAGS="-fPIC -melf"
1743	    	LDFLAGS="$LDFLAGS -melf -Wl,-Bexport"
1744	    else
1745	    	SHLIB_CFLAGS="-Kpic -belf"
1746	    	LDFLAGS="$LDFLAGS -belf -Wl,-Bexport"
1747	    fi
1748	    SHLIB_LD="ld -G"
1749	    SHLIB_LD_LIBS=""
1750	    SHLIB_SUFFIX=".so"
1751	    DL_OBJS="tclLoadDl.o"
1752	    DL_LIBS=""
1753	    CC_SEARCH_FLAGS=""
1754	    LD_SEARCH_FLAGS=""
1755	    ;;
1756	SINIX*5.4*)
1757	    SHLIB_CFLAGS="-K PIC"
1758	    SHLIB_LD="cc -G"
1759	    SHLIB_LD_LIBS=""
1760	    SHLIB_SUFFIX=".so"
1761	    DL_OBJS="tclLoadDl.o"
1762	    DL_LIBS="-ldl"
1763	    CC_SEARCH_FLAGS=""
1764	    LD_SEARCH_FLAGS=""
1765	    ;;
1766	SunOS-4*)
1767	    SHLIB_CFLAGS="-PIC"
1768	    SHLIB_LD="ld"
1769	    SHLIB_LD_LIBS=""
1770	    SHLIB_SUFFIX=".so"
1771	    DL_OBJS="tclLoadDl.o"
1772	    DL_LIBS="-ldl"
1773	    CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
1774	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1775
1776	    # SunOS can't handle version numbers with dots in them in library
1777	    # specs, like -ltcl7.5, so use -ltcl75 instead.  Also, it
1778	    # requires an extra version number at the end of .so file names.
1779	    # So, the library has to have a name like libtcl75.so.1.0
1780
1781	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
1782	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1783	    TCL_LIB_VERSIONS_OK=nodots
1784	    ;;
1785	SunOS-5.[[0-6]])
1786	    # Careful to not let 5.10+ fall into this case
1787
1788	    # Note: If _REENTRANT isn't defined, then Solaris
1789	    # won't define thread-safe library routines.
1790
1791	    AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?])
1792	    AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1,
1793		[Do we really want to follow the standard? Yes we do!])
1794
1795	    SHLIB_CFLAGS="-KPIC"
1796
1797	    # Note: need the LIBS below, otherwise Tk won't find Tcl's
1798	    # symbols when dynamically loaded into tclsh.
1799
1800	    SHLIB_LD_LIBS='${LIBS}'
1801	    SHLIB_SUFFIX=".so"
1802	    DL_OBJS="tclLoadDl.o"
1803	    DL_LIBS="-ldl"
1804	    if test "$GCC" = "yes" ; then
1805		SHLIB_LD="$CC -shared"
1806		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
1807		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1808	    else
1809		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
1810		CC_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
1811		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1812	    fi
1813	    ;;
1814	SunOS-5*)
1815	    # Note: If _REENTRANT isn't defined, then Solaris
1816	    # won't define thread-safe library routines.
1817
1818	    AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?])
1819	    AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1,
1820		[Do we really want to follow the standard? Yes we do!])
1821
1822	    SHLIB_CFLAGS="-KPIC"
1823
1824	    # Check to enable 64-bit flags for compiler/linker
1825	    if test "$do64bit" = "yes" ; then
1826		arch=`isainfo`
1827		if test "$arch" = "sparcv9 sparc" ; then
1828			if test "$GCC" = "yes" ; then
1829			    if test "`gcc -dumpversion | awk -F. '{print [$]1}'`" -lt "3" ; then
1830				AC_MSG_WARN([64bit mode not supported with GCC < 3.2 on $system])
1831			    else
1832				do64bit_ok=yes
1833				CFLAGS="$CFLAGS -m64 -mcpu=v9"
1834				LDFLAGS="$LDFLAGS -m64 -mcpu=v9"
1835				SHLIB_CFLAGS="-fPIC"
1836			    fi
1837			else
1838			    do64bit_ok=yes
1839			    if test "$do64bitVIS" = "yes" ; then
1840				CFLAGS="$CFLAGS -xarch=v9a"
1841			    	LDFLAGS_ARCH="-xarch=v9a"
1842			    else
1843				CFLAGS="$CFLAGS -xarch=v9"
1844			    	LDFLAGS_ARCH="-xarch=v9"
1845			    fi
1846			    # Solaris 64 uses this as well
1847			    #LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH_64"
1848			fi
1849		elif test "$arch" = "amd64 i386" ; then
1850		    if test "$GCC" = "yes" ; then
1851			AC_MSG_WARN([64bit mode not supported with GCC on $system])
1852		    else
1853			do64bit_ok=yes
1854			CFLAGS="$CFLAGS -xarch=amd64"
1855			LDFLAGS="$LDFLAGS -xarch=amd64"
1856		    fi
1857		else
1858		    AC_MSG_WARN([64bit mode not supported for $arch])
1859		fi
1860	    fi
1861
1862	    # Note: need the LIBS below, otherwise Tk won't find Tcl's
1863	    # symbols when dynamically loaded into tclsh.
1864
1865	    SHLIB_LD_LIBS='${LIBS}'
1866	    SHLIB_SUFFIX=".so"
1867	    DL_OBJS="tclLoadDl.o"
1868	    DL_LIBS="-ldl"
1869	    if test "$GCC" = "yes" ; then
1870		SHLIB_LD="$CC -shared"
1871		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
1872		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1873		if test "$do64bit_ok" = "yes" ; then
1874		    # We need to specify -static-libgcc or we need to
1875		    # add the path to the sparv9 libgcc.
1876		    # JH: static-libgcc is necessary for core Tcl, but may
1877		    # not be necessary for extensions.
1878		    SHLIB_LD="$SHLIB_LD -m64 -mcpu=v9 -static-libgcc"
1879		    # for finding sparcv9 libgcc, get the regular libgcc
1880		    # path, remove so name and append 'sparcv9'
1881		    #v9gcclibdir="`gcc -print-file-name=libgcc_s.so` | ..."
1882		    #CC_SEARCH_FLAGS="${CC_SEARCH_FLAGS},-R,$v9gcclibdir"
1883		fi
1884	    else
1885		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
1886		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
1887		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
1888	    fi
1889	    ;;
1890	UNIX_SV* | UnixWare-5*)
1891	    SHLIB_CFLAGS="-KPIC"
1892	    SHLIB_LD="cc -G"
1893	    SHLIB_LD_LIBS=""
1894	    SHLIB_SUFFIX=".so"
1895	    DL_OBJS="tclLoadDl.o"
1896	    DL_LIBS="-ldl"
1897	    # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
1898	    # that don't grok the -Bexport option.  Test that it does.
1899	    AC_CACHE_CHECK([for ld accepts -Bexport flag], tcl_cv_ld_Bexport, [
1900		hold_ldflags=$LDFLAGS
1901		LDFLAGS="$LDFLAGS -Wl,-Bexport"
1902		AC_TRY_LINK(, [int i;], tcl_cv_ld_Bexport=yes, tcl_cv_ld_Bexport=no)
1903	        LDFLAGS=$hold_ldflags])
1904	    if test $tcl_cv_ld_Bexport = yes; then
1905		LDFLAGS="$LDFLAGS -Wl,-Bexport"
1906	    fi
1907	    CC_SEARCH_FLAGS=""
1908	    LD_SEARCH_FLAGS=""
1909	    ;;
1910    esac
1911
1912    if test "$do64bit" = "yes" -a "$do64bit_ok" = "no" ; then
1913	AC_MSG_WARN([64bit support being disabled -- don't know magic for this platform])
1914    fi
1915
1916    # Step 4: disable dynamic loading if requested via a command-line switch.
1917
1918    AC_ARG_ENABLE(load,
1919	AC_HELP_STRING([--disable-load],
1920	    [disallow dynamic loading and "load" command (default: enabled)]),
1921	[tcl_ok=$enableval], [tcl_ok=yes])
1922    if test "$tcl_ok" = "no"; then
1923	DL_OBJS=""
1924    fi
1925
1926    if test "x$DL_OBJS" != "x" ; then
1927	BUILD_DLTEST="\$(DLTEST_TARGETS)"
1928    else
1929	echo "Can't figure out how to do dynamic loading or shared libraries"
1930	echo "on this system."
1931	SHLIB_CFLAGS=""
1932	SHLIB_LD=""
1933	SHLIB_SUFFIX=""
1934	DL_OBJS="tclLoadNone.o"
1935	DL_LIBS=""
1936	LDFLAGS="$LDFLAGS_ORIG"
1937	CC_SEARCH_FLAGS=""
1938	LD_SEARCH_FLAGS=""
1939	BUILD_DLTEST=""
1940    fi
1941    LDFLAGS="$LDFLAGS $LDFLAGS_ARCH"
1942
1943    # If we're running gcc, then change the C flags for compiling shared
1944    # libraries to the right flags for gcc, instead of those for the
1945    # standard manufacturer compiler.
1946
1947    if test "$DL_OBJS" != "tclLoadNone.o" ; then
1948	if test "$GCC" = "yes" ; then
1949	    case $system in
1950		AIX-*)
1951		    ;;
1952		BSD/OS*)
1953		    ;;
1954		IRIX*)
1955		    ;;
1956		NetBSD-*|FreeBSD-*)
1957		    ;;
1958		Darwin-*)
1959		    ;;
1960		SCO_SV-3.2*)
1961		    ;;
1962		windows)
1963		    ;;
1964		*)
1965		    SHLIB_CFLAGS="-fPIC"
1966		    ;;
1967	    esac
1968	fi
1969    fi
1970
1971    if test "$SHARED_LIB_SUFFIX" = "" ; then
1972	SHARED_LIB_SUFFIX='${PACKAGE_VERSION}${SHLIB_SUFFIX}'
1973    fi
1974    if test "$UNSHARED_LIB_SUFFIX" = "" ; then
1975	UNSHARED_LIB_SUFFIX='${PACKAGE_VERSION}.a'
1976    fi
1977
1978    AC_SUBST(DL_LIBS)
1979
1980    AC_SUBST(CFLAGS_DEBUG)
1981    AC_SUBST(CFLAGS_OPTIMIZE)
1982    AC_SUBST(CFLAGS_WARNING)
1983
1984    AC_SUBST(STLIB_LD)
1985    AC_SUBST(SHLIB_LD)
1986
1987    AC_SUBST(SHLIB_LD_LIBS)
1988    AC_SUBST(SHLIB_CFLAGS)
1989
1990    AC_SUBST(LD_LIBRARY_PATH_VAR)
1991
1992    # These must be called after we do the basic CFLAGS checks and
1993    # verify any possible 64-bit or similar switches are necessary
1994    TEA_TCL_EARLY_FLAGS
1995    TEA_TCL_64BIT_FLAGS
1996])
1997
1998#--------------------------------------------------------------------
1999# TEA_SERIAL_PORT
2000#
2001#	Determine which interface to use to talk to the serial port.
2002#	Note that #include lines must begin in leftmost column for
2003#	some compilers to recognize them as preprocessor directives,
2004#	and some build environments have stdin not pointing at a
2005#	pseudo-terminal (usually /dev/null instead.)
2006#
2007# Arguments:
2008#	none
2009#
2010# Results:
2011#
2012#	Defines only one of the following vars:
2013#		HAVE_SYS_MODEM_H
2014#		USE_TERMIOS
2015#		USE_TERMIO
2016#		USE_SGTTY
2017#
2018#--------------------------------------------------------------------
2019
2020AC_DEFUN([TEA_SERIAL_PORT], [
2021    AC_CHECK_HEADERS(sys/modem.h)
2022    AC_CACHE_CHECK([termios vs. termio vs. sgtty], tcl_cv_api_serial, [
2023    AC_TRY_RUN([
2024#include <termios.h>
2025
2026int main() {
2027    struct termios t;
2028    if (tcgetattr(0, &t) == 0) {
2029	cfsetospeed(&t, 0);
2030	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
2031	return 0;
2032    }
2033    return 1;
2034}], tcl_cv_api_serial=termios, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2035    if test $tcl_cv_api_serial = no ; then
2036	AC_TRY_RUN([
2037#include <termio.h>
2038
2039int main() {
2040    struct termio t;
2041    if (ioctl(0, TCGETA, &t) == 0) {
2042	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
2043	return 0;
2044    }
2045    return 1;
2046}], tcl_cv_api_serial=termio, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2047    fi
2048    if test $tcl_cv_api_serial = no ; then
2049	AC_TRY_RUN([
2050#include <sgtty.h>
2051
2052int main() {
2053    struct sgttyb t;
2054    if (ioctl(0, TIOCGETP, &t) == 0) {
2055	t.sg_ospeed = 0;
2056	t.sg_flags |= ODDP | EVENP | RAW;
2057	return 0;
2058    }
2059    return 1;
2060}], tcl_cv_api_serial=sgtty, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2061    fi
2062    if test $tcl_cv_api_serial = no ; then
2063	AC_TRY_RUN([
2064#include <termios.h>
2065#include <errno.h>
2066
2067int main() {
2068    struct termios t;
2069    if (tcgetattr(0, &t) == 0
2070	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
2071	cfsetospeed(&t, 0);
2072	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
2073	return 0;
2074    }
2075    return 1;
2076}], tcl_cv_api_serial=termios, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2077    fi
2078    if test $tcl_cv_api_serial = no; then
2079	AC_TRY_RUN([
2080#include <termio.h>
2081#include <errno.h>
2082
2083int main() {
2084    struct termio t;
2085    if (ioctl(0, TCGETA, &t) == 0
2086	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
2087	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
2088	return 0;
2089    }
2090    return 1;
2091    }], tcl_cv_api_serial=termio, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2092    fi
2093    if test $tcl_cv_api_serial = no; then
2094	AC_TRY_RUN([
2095#include <sgtty.h>
2096#include <errno.h>
2097
2098int main() {
2099    struct sgttyb t;
2100    if (ioctl(0, TIOCGETP, &t) == 0
2101	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
2102	t.sg_ospeed = 0;
2103	t.sg_flags |= ODDP | EVENP | RAW;
2104	return 0;
2105    }
2106    return 1;
2107}], tcl_cv_api_serial=sgtty, tcl_cv_api_serial=none, tcl_cv_api_serial=none)
2108    fi])
2109    case $tcl_cv_api_serial in
2110	termios) AC_DEFINE(USE_TERMIOS, 1, [Use the termios API for serial lines]);;
2111	termio)  AC_DEFINE(USE_TERMIO, 1, [Use the termio API for serial lines]);;
2112	sgtty)   AC_DEFINE(USE_SGTTY, 1, [Use the sgtty API for serial lines]);;
2113    esac
2114])
2115
2116#--------------------------------------------------------------------
2117# TEA_MISSING_POSIX_HEADERS
2118#
2119#	Supply substitutes for missing POSIX header files.  Special
2120#	notes:
2121#	    - stdlib.h doesn't define strtol, strtoul, or
2122#	      strtod insome versions of SunOS
2123#	    - some versions of string.h don't declare procedures such
2124#	      as strstr
2125#
2126# Arguments:
2127#	none
2128#
2129# Results:
2130#
2131#	Defines some of the following vars:
2132#		NO_DIRENT_H
2133#		NO_ERRNO_H
2134#		NO_VALUES_H
2135#		HAVE_LIMITS_H or NO_LIMITS_H
2136#		NO_STDLIB_H
2137#		NO_STRING_H
2138#		NO_SYS_WAIT_H
2139#		NO_DLFCN_H
2140#		HAVE_SYS_PARAM_H
2141#
2142#		HAVE_STRING_H ?
2143#
2144# tkUnixPort.h checks for HAVE_LIMITS_H, so do both HAVE and
2145# CHECK on limits.h
2146#--------------------------------------------------------------------
2147
2148AC_DEFUN([TEA_MISSING_POSIX_HEADERS], [
2149    AC_CACHE_CHECK([dirent.h], tcl_cv_dirent_h,
2150    AC_TRY_LINK([#include <sys/types.h>
2151#include <dirent.h>], [
2152#ifndef _POSIX_SOURCE
2153#   ifdef __Lynx__
2154	/*
2155	 * Generate compilation error to make the test fail:  Lynx headers
2156	 * are only valid if really in the POSIX environment.
2157	 */
2158
2159	missing_procedure();
2160#   endif
2161#endif
2162DIR *d;
2163struct dirent *entryPtr;
2164char *p;
2165d = opendir("foobar");
2166entryPtr = readdir(d);
2167p = entryPtr->d_name;
2168closedir(d);
2169], tcl_cv_dirent_h=yes, tcl_cv_dirent_h=no))
2170
2171    if test $tcl_cv_dirent_h = no; then
2172	AC_DEFINE(NO_DIRENT_H, 1, [Do we have <dirent.h>?])
2173    fi
2174
2175    AC_CHECK_HEADER(errno.h, , [AC_DEFINE(NO_ERRNO_H, 1, [Do we have <errno.h>?])])
2176    AC_CHECK_HEADER(float.h, , [AC_DEFINE(NO_FLOAT_H, 1, [Do we have <float.h>?])])
2177    AC_CHECK_HEADER(values.h, , [AC_DEFINE(NO_VALUES_H, 1, [Do we have <values.h>?])])
2178    AC_CHECK_HEADER(limits.h,
2179	[AC_DEFINE(HAVE_LIMITS_H, 1, [Do we have <limits.h>?])],
2180	[AC_DEFINE(NO_LIMITS_H, 1, [Do we have <limits.h>?])])
2181    AC_CHECK_HEADER(stdlib.h, tcl_ok=1, tcl_ok=0)
2182    AC_EGREP_HEADER(strtol, stdlib.h, , tcl_ok=0)
2183    AC_EGREP_HEADER(strtoul, stdlib.h, , tcl_ok=0)
2184    AC_EGREP_HEADER(strtod, stdlib.h, , tcl_ok=0)
2185    if test $tcl_ok = 0; then
2186	AC_DEFINE(NO_STDLIB_H, 1, [Do we have <stdlib.h>?])
2187    fi
2188    AC_CHECK_HEADER(string.h, tcl_ok=1, tcl_ok=0)
2189    AC_EGREP_HEADER(strstr, string.h, , tcl_ok=0)
2190    AC_EGREP_HEADER(strerror, string.h, , tcl_ok=0)
2191
2192    # See also memmove check below for a place where NO_STRING_H can be
2193    # set and why.
2194
2195    if test $tcl_ok = 0; then
2196	AC_DEFINE(NO_STRING_H, 1, [Do we have <string.h>?])
2197    fi
2198
2199    AC_CHECK_HEADER(sys/wait.h, , [AC_DEFINE(NO_SYS_WAIT_H, 1, [Do we have <sys/wait.h>?])])
2200    AC_CHECK_HEADER(dlfcn.h, , [AC_DEFINE(NO_DLFCN_H, 1, [Do we have <dlfcn.h>?])])
2201
2202    # OS/390 lacks sys/param.h (and doesn't need it, by chance).
2203    AC_HAVE_HEADERS(sys/param.h)
2204])
2205
2206#--------------------------------------------------------------------
2207# TEA_PATH_X
2208#
2209#	Locate the X11 header files and the X11 library archive.  Try
2210#	the ac_path_x macro first, but if it doesn't find the X stuff
2211#	(e.g. because there's no xmkmf program) then check through
2212#	a list of possible directories.  Under some conditions the
2213#	autoconf macro will return an include directory that contains
2214#	no include files, so double-check its result just to be safe.
2215#
2216#	This should be called after TEA_CONFIG_CFLAGS as setting the
2217#	LIBS line can confuse some configure macro magic.
2218#
2219# Arguments:
2220#	none
2221#
2222# Results:
2223#
2224#	Sets the following vars:
2225#		XINCLUDES
2226#		XLIBSW
2227#		PKG_LIBS (appends to)
2228#
2229#--------------------------------------------------------------------
2230
2231AC_DEFUN([TEA_PATH_X], [
2232    if test "${TEA_WINDOWINGSYSTEM}" = "x11" ; then
2233	TEA_PATH_UNIX_X
2234    fi
2235])
2236
2237AC_DEFUN([TEA_PATH_UNIX_X], [
2238    AC_PATH_X
2239    not_really_there=""
2240    if test "$no_x" = ""; then
2241	if test "$x_includes" = ""; then
2242	    AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes")
2243	else
2244	    if test ! -r $x_includes/X11/Intrinsic.h; then
2245		not_really_there="yes"
2246	    fi
2247	fi
2248    fi
2249    if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
2250	AC_MSG_CHECKING([for X11 header files])
2251	found_xincludes="no"
2252	AC_TRY_CPP([#include <X11/Intrinsic.h>], found_xincludes="yes", found_xincludes="no")
2253	if test "$found_xincludes" = "no"; then
2254	    dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include"
2255	    for i in $dirs ; do
2256		if test -r $i/X11/Intrinsic.h; then
2257		    AC_MSG_RESULT([$i])
2258		    XINCLUDES=" -I$i"
2259		    found_xincludes="yes"
2260		    break
2261		fi
2262	    done
2263	fi
2264    else
2265	if test "$x_includes" != ""; then
2266	    XINCLUDES="-I$x_includes"
2267	    found_xincludes="yes"
2268	fi
2269    fi
2270    if test found_xincludes = "no"; then
2271	AC_MSG_RESULT([couldn't find any!])
2272    fi
2273
2274    if test "$no_x" = yes; then
2275	AC_MSG_CHECKING([for X11 libraries])
2276	XLIBSW=nope
2277	dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
2278	for i in $dirs ; do
2279	    if test -r $i/libX11.a -o -r $i/libX11.so -o -r $i/libX11.sl; then
2280		AC_MSG_RESULT([$i])
2281		XLIBSW="-L$i -lX11"
2282		x_libraries="$i"
2283		break
2284	    fi
2285	done
2286    else
2287	if test "$x_libraries" = ""; then
2288	    XLIBSW=-lX11
2289	else
2290	    XLIBSW="-L$x_libraries -lX11"
2291	fi
2292    fi
2293    if test "$XLIBSW" = nope ; then
2294	AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow)
2295    fi
2296    if test "$XLIBSW" = nope ; then
2297	AC_MSG_RESULT([could not find any!  Using -lX11.])
2298	XLIBSW=-lX11
2299    fi
2300    if test x"${XLIBSW}" != x ; then
2301	PKG_LIBS="${PKG_LIBS} ${XLIBSW}"
2302    fi
2303])
2304
2305#--------------------------------------------------------------------
2306# TEA_BLOCKING_STYLE
2307#
2308#	The statements below check for systems where POSIX-style
2309#	non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented.
2310#	On these systems (mostly older ones), use the old BSD-style
2311#	FIONBIO approach instead.
2312#
2313# Arguments:
2314#	none
2315#
2316# Results:
2317#
2318#	Defines some of the following vars:
2319#		HAVE_SYS_IOCTL_H
2320#		HAVE_SYS_FILIO_H
2321#		USE_FIONBIO
2322#		O_NONBLOCK
2323#
2324#--------------------------------------------------------------------
2325
2326AC_DEFUN([TEA_BLOCKING_STYLE], [
2327    AC_CHECK_HEADERS(sys/ioctl.h)
2328    AC_CHECK_HEADERS(sys/filio.h)
2329    TEA_CONFIG_SYSTEM
2330    AC_MSG_CHECKING([FIONBIO vs. O_NONBLOCK for nonblocking I/O])
2331    case $system in
2332	# There used to be code here to use FIONBIO under AIX.  However, it
2333	# was reported that FIONBIO doesn't work under AIX 3.2.5.  Since
2334	# using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO
2335	# code (JO, 5/31/97).
2336
2337	OSF*)
2338	    AC_DEFINE(USE_FIONBIO, 1, [Should we use FIONBIO?])
2339	    AC_MSG_RESULT([FIONBIO])
2340	    ;;
2341	SunOS-4*)
2342	    AC_DEFINE(USE_FIONBIO, 1, [Should we use FIONBIO?])
2343	    AC_MSG_RESULT([FIONBIO])
2344	    ;;
2345	*)
2346	    AC_MSG_RESULT([O_NONBLOCK])
2347	    ;;
2348    esac
2349])
2350
2351#--------------------------------------------------------------------
2352# TEA_TIME_HANLDER
2353#
2354#	Checks how the system deals with time.h, what time structures
2355#	are used on the system, and what fields the structures have.
2356#
2357# Arguments:
2358#	none
2359#
2360# Results:
2361#
2362#	Defines some of the following vars:
2363#		USE_DELTA_FOR_TZ
2364#		HAVE_TM_GMTOFF
2365#		HAVE_TM_TZADJ
2366#		HAVE_TIMEZONE_VAR
2367#
2368#--------------------------------------------------------------------
2369
2370AC_DEFUN([TEA_TIME_HANDLER], [
2371    AC_CHECK_HEADERS(sys/time.h)
2372    AC_HEADER_TIME
2373    AC_STRUCT_TIMEZONE
2374
2375    AC_CHECK_FUNCS(gmtime_r localtime_r)
2376
2377    AC_CACHE_CHECK([tm_tzadj in struct tm], tcl_cv_member_tm_tzadj,
2378	AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;],
2379	    tcl_cv_member_tm_tzadj=yes, tcl_cv_member_tm_tzadj=no))
2380    if test $tcl_cv_member_tm_tzadj = yes ; then
2381	AC_DEFINE(HAVE_TM_TZADJ, 1, [Should we use the tm_tzadj field of struct tm?])
2382    fi
2383
2384    AC_CACHE_CHECK([tm_gmtoff in struct tm], tcl_cv_member_tm_gmtoff,
2385	AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;],
2386	    tcl_cv_member_tm_gmtoff=yes, tcl_cv_member_tm_gmtoff=no))
2387    if test $tcl_cv_member_tm_gmtoff = yes ; then
2388	AC_DEFINE(HAVE_TM_GMTOFF, 1, [Should we use the tm_gmtoff field of struct tm?])
2389    fi
2390
2391    #
2392    # Its important to include time.h in this check, as some systems
2393    # (like convex) have timezone functions, etc.
2394    #
2395    AC_CACHE_CHECK([long timezone variable], tcl_cv_timezone_long,
2396	AC_TRY_COMPILE([#include <time.h>],
2397	    [extern long timezone;
2398	    timezone += 1;
2399	    exit (0);],
2400	    tcl_cv_timezone_long=yes, tcl_cv_timezone_long=no))
2401    if test $tcl_cv_timezone_long = yes ; then
2402	AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
2403    else
2404	#
2405	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
2406	#
2407	AC_CACHE_CHECK([time_t timezone variable], tcl_cv_timezone_time,
2408	    AC_TRY_COMPILE([#include <time.h>],
2409		[extern time_t timezone;
2410		timezone += 1;
2411		exit (0);],
2412		tcl_cv_timezone_time=yes, tcl_cv_timezone_time=no))
2413	if test $tcl_cv_timezone_time = yes ; then
2414	    AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
2415	fi
2416    fi
2417])
2418
2419#--------------------------------------------------------------------
2420# TEA_BUGGY_STRTOD
2421#
2422#	Under Solaris 2.4, strtod returns the wrong value for the
2423#	terminating character under some conditions.  Check for this
2424#	and if the problem exists use a substitute procedure
2425#	"fixstrtod" (provided by Tcl) that corrects the error.
2426#	Also, on Compaq's Tru64 Unix 5.0,
2427#	strtod(" ") returns 0.0 instead of a failure to convert.
2428#
2429# Arguments:
2430#	none
2431#
2432# Results:
2433#
2434#	Might defines some of the following vars:
2435#		strtod (=fixstrtod)
2436#
2437#--------------------------------------------------------------------
2438
2439AC_DEFUN([TEA_BUGGY_STRTOD], [
2440    AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0)
2441    if test "$tcl_strtod" = 1; then
2442	AC_CACHE_CHECK([for Solaris2.4/Tru64 strtod bugs], tcl_cv_strtod_buggy,[
2443	    AC_TRY_RUN([
2444		extern double strtod();
2445		int main() {
2446		    char *infString="Inf", *nanString="NaN", *spaceString=" ";
2447		    char *term;
2448		    double value;
2449		    value = strtod(infString, &term);
2450		    if ((term != infString) && (term[-1] == 0)) {
2451			exit(1);
2452		    }
2453		    value = strtod(nanString, &term);
2454		    if ((term != nanString) && (term[-1] == 0)) {
2455			exit(1);
2456		    }
2457		    value = strtod(spaceString, &term);
2458		    if (term == (spaceString+1)) {
2459			exit(1);
2460		    }
2461		    exit(0);
2462		}], tcl_cv_strtod_buggy=ok, tcl_cv_strtod_buggy=buggy,
2463		    tcl_cv_strtod_buggy=buggy)])
2464	if test "$tcl_cv_strtod_buggy" = buggy; then
2465	    AC_LIBOBJ([fixstrtod])
2466	    USE_COMPAT=1
2467	    AC_DEFINE(strtod, fixstrtod, [Do we want to use the strtod() in compat?])
2468	fi
2469    fi
2470])
2471
2472#--------------------------------------------------------------------
2473# TEA_TCL_LINK_LIBS
2474#
2475#	Search for the libraries needed to link the Tcl shell.
2476#	Things like the math library (-lm) and socket stuff (-lsocket vs.
2477#	-lnsl) are dealt with here.
2478#
2479# Arguments:
2480#	Requires the following vars to be set in the Makefile:
2481#		DL_LIBS
2482#		LIBS
2483#		MATH_LIBS
2484#
2485# Results:
2486#
2487#	Subst's the following var:
2488#		TCL_LIBS
2489#		MATH_LIBS
2490#
2491#	Might append to the following vars:
2492#		LIBS
2493#
2494#	Might define the following vars:
2495#		HAVE_NET_ERRNO_H
2496#
2497#--------------------------------------------------------------------
2498
2499AC_DEFUN([TEA_TCL_LINK_LIBS], [
2500    #--------------------------------------------------------------------
2501    # On a few very rare systems, all of the libm.a stuff is
2502    # already in libc.a.  Set compiler flags accordingly.
2503    # Also, Linux requires the "ieee" library for math to work
2504    # right (and it must appear before "-lm").
2505    #--------------------------------------------------------------------
2506
2507    AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm")
2508    AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"])
2509
2510    #--------------------------------------------------------------------
2511    # Interactive UNIX requires -linet instead of -lsocket, plus it
2512    # needs net/errno.h to define the socket-related error codes.
2513    #--------------------------------------------------------------------
2514
2515    AC_CHECK_LIB(inet, main, [LIBS="$LIBS -linet"])
2516    AC_CHECK_HEADER(net/errno.h, [
2517	AC_DEFINE(HAVE_NET_ERRNO_H, 1, [Do we have <net/errno.h>?])])
2518
2519    #--------------------------------------------------------------------
2520    #	Check for the existence of the -lsocket and -lnsl libraries.
2521    #	The order here is important, so that they end up in the right
2522    #	order in the command line generated by make.  Here are some
2523    #	special considerations:
2524    #	1. Use "connect" and "accept" to check for -lsocket, and
2525    #	   "gethostbyname" to check for -lnsl.
2526    #	2. Use each function name only once:  can't redo a check because
2527    #	   autoconf caches the results of the last check and won't redo it.
2528    #	3. Use -lnsl and -lsocket only if they supply procedures that
2529    #	   aren't already present in the normal libraries.  This is because
2530    #	   IRIX 5.2 has libraries, but they aren't needed and they're
2531    #	   bogus:  they goof up name resolution if used.
2532    #	4. On some SVR4 systems, can't use -lsocket without -lnsl too.
2533    #	   To get around this problem, check for both libraries together
2534    #	   if -lsocket doesn't work by itself.
2535    #--------------------------------------------------------------------
2536
2537    tcl_checkBoth=0
2538    AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1)
2539    if test "$tcl_checkSocket" = 1; then
2540	AC_CHECK_FUNC(setsockopt, , [AC_CHECK_LIB(socket, setsockopt,
2541	    LIBS="$LIBS -lsocket", tcl_checkBoth=1)])
2542    fi
2543    if test "$tcl_checkBoth" = 1; then
2544	tk_oldLibs=$LIBS
2545	LIBS="$LIBS -lsocket -lnsl"
2546	AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs])
2547    fi
2548    AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname,
2549	    [LIBS="$LIBS -lnsl"])])
2550
2551    # Don't perform the eval of the libraries here because DL_LIBS
2552    # won't be set until we call TEA_CONFIG_CFLAGS
2553
2554    TCL_LIBS='${DL_LIBS} ${LIBS} ${MATH_LIBS}'
2555    AC_SUBST(TCL_LIBS)
2556    AC_SUBST(MATH_LIBS)
2557])
2558
2559#--------------------------------------------------------------------
2560# TEA_TCL_EARLY_FLAGS
2561#
2562#	Check for what flags are needed to be passed so the correct OS
2563#	features are available.
2564#
2565# Arguments:
2566#	None
2567#
2568# Results:
2569#
2570#	Might define the following vars:
2571#		_ISOC99_SOURCE
2572#		_LARGEFILE64_SOURCE
2573#		_LARGEFILE_SOURCE64
2574#
2575#--------------------------------------------------------------------
2576
2577AC_DEFUN([TEA_TCL_EARLY_FLAG],[
2578    AC_CACHE_VAL([tcl_cv_flag_]translit($1,[A-Z],[a-z]),
2579	AC_TRY_COMPILE([$2], $3, [tcl_cv_flag_]translit($1,[A-Z],[a-z])=no,
2580	    AC_TRY_COMPILE([[#define ]$1[ 1
2581]$2], $3,
2582		[tcl_cv_flag_]translit($1,[A-Z],[a-z])=yes,
2583		[tcl_cv_flag_]translit($1,[A-Z],[a-z])=no)))
2584    if test ["x${tcl_cv_flag_]translit($1,[A-Z],[a-z])[}" = "xyes"] ; then
2585	AC_DEFINE($1, 1, [Add the ]$1[ flag when building])
2586	tcl_flags="$tcl_flags $1"
2587    fi
2588])
2589
2590AC_DEFUN([TEA_TCL_EARLY_FLAGS],[
2591    AC_MSG_CHECKING([for required early compiler flags])
2592    tcl_flags=""
2593    TEA_TCL_EARLY_FLAG(_ISOC99_SOURCE,[#include <stdlib.h>],
2594	[char *p = (char *)strtoll; char *q = (char *)strtoull;])
2595    TEA_TCL_EARLY_FLAG(_LARGEFILE64_SOURCE,[#include <sys/stat.h>],
2596	[struct stat64 buf; int i = stat64("/", &buf);])
2597    TEA_TCL_EARLY_FLAG(_LARGEFILE_SOURCE64,[#include <sys/stat.h>],
2598	[char *p = (char *)open64;])
2599    if test "x${tcl_flags}" = "x" ; then
2600	AC_MSG_RESULT([none])
2601    else
2602	AC_MSG_RESULT([${tcl_flags}])
2603    fi
2604])
2605
2606#--------------------------------------------------------------------
2607# TEA_TCL_64BIT_FLAGS
2608#
2609#	Check for what is defined in the way of 64-bit features.
2610#
2611# Arguments:
2612#	None
2613#
2614# Results:
2615#
2616#	Might define the following vars:
2617#		TCL_WIDE_INT_IS_LONG
2618#		TCL_WIDE_INT_TYPE
2619#		HAVE_STRUCT_DIRENT64
2620#		HAVE_STRUCT_STAT64
2621#		HAVE_TYPE_OFF64_T
2622#
2623#--------------------------------------------------------------------
2624
2625AC_DEFUN([TEA_TCL_64BIT_FLAGS], [
2626    AC_MSG_CHECKING([for 64-bit integer type])
2627    AC_CACHE_VAL(tcl_cv_type_64bit,[
2628	tcl_cv_type_64bit=none
2629	# See if the compiler knows natively about __int64
2630	AC_TRY_COMPILE(,[__int64 value = (__int64) 0;],
2631	    tcl_type_64bit=__int64, tcl_type_64bit="long long")
2632	# See if we should use long anyway  Note that we substitute in the
2633	# type that is our current guess for a 64-bit type inside this check
2634	# program, so it should be modified only carefully...
2635        AC_TRY_COMPILE(,[switch (0) {
2636            case 1: case (sizeof(]${tcl_type_64bit}[)==sizeof(long)): ;
2637        }],tcl_cv_type_64bit=${tcl_type_64bit})])
2638    if test "${tcl_cv_type_64bit}" = none ; then
2639	AC_DEFINE(TCL_WIDE_INT_IS_LONG, 1, [Are wide integers to be implemented with C 'long's?])
2640	AC_MSG_RESULT([using long])
2641    elif test "${tcl_cv_type_64bit}" = "__int64" \
2642		-a "${TEA_PLATFORM}" = "windows" ; then
2643	# We actually want to use the default tcl.h checks in this
2644	# case to handle both TCL_WIDE_INT_TYPE and TCL_LL_MODIFIER*
2645	AC_MSG_RESULT([using Tcl header defaults])
2646    else
2647	AC_DEFINE_UNQUOTED(TCL_WIDE_INT_TYPE,${tcl_cv_type_64bit},
2648	    [What type should be used to define wide integers?])
2649	AC_MSG_RESULT([${tcl_cv_type_64bit}])
2650
2651	# Now check for auxiliary declarations
2652	AC_CACHE_CHECK([for struct dirent64], tcl_cv_struct_dirent64,[
2653	    AC_TRY_COMPILE([#include <sys/types.h>
2654#include <sys/dirent.h>],[struct dirent64 p;],
2655		tcl_cv_struct_dirent64=yes,tcl_cv_struct_dirent64=no)])
2656	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
2657	    AC_DEFINE(HAVE_STRUCT_DIRENT64, 1, [Is 'struct dirent64' in <sys/types.h>?])
2658	fi
2659
2660	AC_CACHE_CHECK([for struct stat64], tcl_cv_struct_stat64,[
2661	    AC_TRY_COMPILE([#include <sys/stat.h>],[struct stat64 p;
2662],
2663		tcl_cv_struct_stat64=yes,tcl_cv_struct_stat64=no)])
2664	if test "x${tcl_cv_struct_stat64}" = "xyes" ; then
2665	    AC_DEFINE(HAVE_STRUCT_STAT64, 1, [Is 'struct stat64' in <sys/stat.h>?])
2666	fi
2667
2668	AC_CHECK_FUNCS(open64 lseek64)
2669	AC_MSG_CHECKING([for off64_t])
2670	AC_CACHE_VAL(tcl_cv_type_off64_t,[
2671	    AC_TRY_COMPILE([#include <sys/types.h>],[off64_t offset;
2672],
2673		tcl_cv_type_off64_t=yes,tcl_cv_type_off64_t=no)])
2674	dnl Define HAVE_TYPE_OFF64_T only when the off64_t type and the
2675	dnl functions lseek64 and open64 are defined.
2676	if test "x${tcl_cv_type_off64_t}" = "xyes" && \
2677	        test "x${ac_cv_func_lseek64}" = "xyes" && \
2678	        test "x${ac_cv_func_open64}" = "xyes" ; then
2679	    AC_DEFINE(HAVE_TYPE_OFF64_T, 1, [Is off64_t in <sys/types.h>?])
2680	    AC_MSG_RESULT([yes])
2681	else
2682	    AC_MSG_RESULT([no])
2683	fi
2684    fi
2685])
2686
2687##
2688## Here ends the standard Tcl configuration bits and starts the
2689## TEA specific functions
2690##
2691
2692#------------------------------------------------------------------------
2693# TEA_INIT --
2694#
2695#	Init various Tcl Extension Architecture (TEA) variables.
2696#	This should be the first called TEA_* macro.
2697#
2698# Arguments:
2699#	none
2700#
2701# Results:
2702#
2703#	Defines and substs the following vars:
2704#		CYGPATH
2705#		EXEEXT
2706#	Defines only:
2707#		TEA_VERSION
2708#		TEA_INITED
2709#		TEA_PLATFORM (windows or unix)
2710#
2711# "cygpath" is used on windows to generate native path names for include
2712# files. These variables should only be used with the compiler and linker
2713# since they generate native path names.
2714#
2715# EXEEXT
2716#	Select the executable extension based on the host type.  This
2717#	is a lightweight replacement for AC_EXEEXT that doesn't require
2718#	a compiler.
2719#------------------------------------------------------------------------
2720
2721AC_DEFUN([TEA_INIT], [
2722    # TEA extensions pass this us the version of TEA they think they
2723    # are compatible with.
2724    TEA_VERSION="3.5"
2725
2726    AC_MSG_CHECKING([for correct TEA configuration])
2727    if test x"${PACKAGE_NAME}" = x ; then
2728	AC_MSG_ERROR([
2729The PACKAGE_NAME variable must be defined by your TEA configure.in])
2730    fi
2731    if test x"$1" = x ; then
2732	AC_MSG_ERROR([
2733TEA version not specified.])
2734    elif test "$1" != "${TEA_VERSION}" ; then
2735	AC_MSG_RESULT([warning: requested TEA version "$1", have "${TEA_VERSION}"])
2736    else
2737	AC_MSG_RESULT([ok (TEA ${TEA_VERSION})])
2738    fi
2739    case "`uname -s`" in
2740	*win32*|*WIN32*|*CYGWIN_NT*|*CYGWIN_9*|*CYGWIN_ME*|*MINGW32_*)
2741	    AC_CHECK_PROG(CYGPATH, cygpath, cygpath -w, echo)
2742	    EXEEXT=".exe"
2743	    TEA_PLATFORM="windows"
2744	    ;;
2745	*)
2746	    CYGPATH=echo
2747	    EXEEXT=""
2748	    TEA_PLATFORM="unix"
2749	    ;;
2750    esac
2751
2752    # Check if exec_prefix is set. If not use fall back to prefix.
2753    # Note when adjusted, so that TEA_PREFIX can correct for this.
2754    # This is needed for recursive configures, since autoconf propagates
2755    # $prefix, but not $exec_prefix (doh!).
2756    if test x$exec_prefix = xNONE ; then
2757	exec_prefix_default=yes
2758	exec_prefix=$prefix
2759    fi
2760
2761    AC_SUBST(EXEEXT)
2762    AC_SUBST(CYGPATH)
2763
2764    # This package name must be replaced statically for AC_SUBST to work
2765    AC_SUBST(PKG_LIB_FILE)
2766    # Substitute STUB_LIB_FILE in case package creates a stub library too.
2767    AC_SUBST(PKG_STUB_LIB_FILE)
2768
2769    # We AC_SUBST these here to ensure they are subst'ed,
2770    # in case the user doesn't call TEA_ADD_...
2771    AC_SUBST(PKG_STUB_SOURCES)
2772    AC_SUBST(PKG_STUB_OBJECTS)
2773    AC_SUBST(PKG_TCL_SOURCES)
2774    AC_SUBST(PKG_HEADERS)
2775    AC_SUBST(PKG_INCLUDES)
2776    AC_SUBST(PKG_LIBS)
2777    AC_SUBST(PKG_CFLAGS)
2778])
2779
2780#------------------------------------------------------------------------
2781# TEA_ADD_SOURCES --
2782#
2783#	Specify one or more source files.  Users should check for
2784#	the right platform before adding to their list.
2785#	It is not important to specify the directory, as long as it is
2786#	in the generic, win or unix subdirectory of $(srcdir).
2787#
2788# Arguments:
2789#	one or more file names
2790#
2791# Results:
2792#
2793#	Defines and substs the following vars:
2794#		PKG_SOURCES
2795#		PKG_OBJECTS
2796#------------------------------------------------------------------------
2797AC_DEFUN([TEA_ADD_SOURCES], [
2798    vars="$@"
2799    for i in $vars; do
2800	case $i in
2801	    [\$]*)
2802		# allow $-var names
2803		PKG_SOURCES="$PKG_SOURCES $i"
2804		PKG_OBJECTS="$PKG_OBJECTS $i"
2805		;;
2806	    *)
2807		# check for existence - allows for generic/win/unix VPATH
2808		if test ! -f "${srcdir}/$i" -a ! -f "${srcdir}/generic/$i" \
2809		    -a ! -f "${srcdir}/win/$i" -a ! -f "${srcdir}/unix/$i" \
2810		    ; then
2811		    AC_MSG_ERROR([could not find source file '$i'])
2812		fi
2813		PKG_SOURCES="$PKG_SOURCES $i"
2814		# this assumes it is in a VPATH dir
2815		i=`basename $i`
2816		# handle user calling this before or after TEA_SETUP_COMPILER
2817		if test x"${OBJEXT}" != x ; then
2818		    j="`echo $i | sed -e 's/\.[[^.]]*$//'`.${OBJEXT}"
2819		else
2820		    j="`echo $i | sed -e 's/\.[[^.]]*$//'`.\${OBJEXT}"
2821		fi
2822		PKG_OBJECTS="$PKG_OBJECTS $j"
2823		;;
2824	esac
2825    done
2826    AC_SUBST(PKG_SOURCES)
2827    AC_SUBST(PKG_OBJECTS)
2828])
2829
2830#------------------------------------------------------------------------
2831# TEA_ADD_STUB_SOURCES --
2832#
2833#	Specify one or more source files.  Users should check for
2834#	the right platform before adding to their list.
2835#	It is not important to specify the directory, as long as it is
2836#	in the generic, win or unix subdirectory of $(srcdir).
2837#
2838# Arguments:
2839#	one or more file names
2840#
2841# Results:
2842#
2843#	Defines and substs the following vars:
2844#		PKG_STUB_SOURCES
2845#		PKG_STUB_OBJECTS
2846#------------------------------------------------------------------------
2847AC_DEFUN([TEA_ADD_STUB_SOURCES], [
2848    vars="$@"
2849    for i in $vars; do
2850	# check for existence - allows for generic/win/unix VPATH
2851	if test ! -f "${srcdir}/$i" -a ! -f "${srcdir}/generic/$i" \
2852	    -a ! -f "${srcdir}/win/$i" -a ! -f "${srcdir}/unix/$i" \
2853	    ; then
2854	    AC_MSG_ERROR([could not find stub source file '$i'])
2855	fi
2856	PKG_STUB_SOURCES="$PKG_STUB_SOURCES $i"
2857	# this assumes it is in a VPATH dir
2858	i=`basename $i`
2859	# handle user calling this before or after TEA_SETUP_COMPILER
2860	if test x"${OBJEXT}" != x ; then
2861	    j="`echo $i | sed -e 's/\.[[^.]]*$//'`.${OBJEXT}"
2862	else
2863	    j="`echo $i | sed -e 's/\.[[^.]]*$//'`.\${OBJEXT}"
2864	fi
2865	PKG_STUB_OBJECTS="$PKG_STUB_OBJECTS $j"
2866    done
2867    AC_SUBST(PKG_STUB_SOURCES)
2868    AC_SUBST(PKG_STUB_OBJECTS)
2869])
2870
2871#------------------------------------------------------------------------
2872# TEA_ADD_TCL_SOURCES --
2873#
2874#	Specify one or more Tcl source files.  These should be platform
2875#	independent runtime files.
2876#
2877# Arguments:
2878#	one or more file names
2879#
2880# Results:
2881#
2882#	Defines and substs the following vars:
2883#		PKG_TCL_SOURCES
2884#------------------------------------------------------------------------
2885AC_DEFUN([TEA_ADD_TCL_SOURCES], [
2886    vars="$@"
2887    for i in $vars; do
2888	# check for existence, be strict because it is installed
2889	if test ! -f "${srcdir}/$i" ; then
2890	    AC_MSG_ERROR([could not find tcl source file '${srcdir}/$i'])
2891	fi
2892	PKG_TCL_SOURCES="$PKG_TCL_SOURCES $i"
2893    done
2894    AC_SUBST(PKG_TCL_SOURCES)
2895])
2896
2897#------------------------------------------------------------------------
2898# TEA_ADD_HEADERS --
2899#
2900#	Specify one or more source headers.  Users should check for
2901#	the right platform before adding to their list.
2902#
2903# Arguments:
2904#	one or more file names
2905#
2906# Results:
2907#
2908#	Defines and substs the following vars:
2909#		PKG_HEADERS
2910#------------------------------------------------------------------------
2911AC_DEFUN([TEA_ADD_HEADERS], [
2912    vars="$@"
2913    for i in $vars; do
2914	# check for existence, be strict because it is installed
2915	if test ! -f "${srcdir}/$i" ; then
2916	    AC_MSG_ERROR([could not find header file '${srcdir}/$i'])
2917	fi
2918	PKG_HEADERS="$PKG_HEADERS $i"
2919    done
2920    AC_SUBST(PKG_HEADERS)
2921])
2922
2923#------------------------------------------------------------------------
2924# TEA_ADD_INCLUDES --
2925#
2926#	Specify one or more include dirs.  Users should check for
2927#	the right platform before adding to their list.
2928#
2929# Arguments:
2930#	one or more file names
2931#
2932# Results:
2933#
2934#	Defines and substs the following vars:
2935#		PKG_INCLUDES
2936#------------------------------------------------------------------------
2937AC_DEFUN([TEA_ADD_INCLUDES], [
2938    vars="$@"
2939    for i in $vars; do
2940	PKG_INCLUDES="$PKG_INCLUDES $i"
2941    done
2942    AC_SUBST(PKG_INCLUDES)
2943])
2944
2945#------------------------------------------------------------------------
2946# TEA_ADD_LIBS --
2947#
2948#	Specify one or more libraries.  Users should check for
2949#	the right platform before adding to their list.  For Windows,
2950#	libraries provided in "foo.lib" format will be converted to
2951#	"-lfoo" when using GCC (mingw).
2952#
2953# Arguments:
2954#	one or more file names
2955#
2956# Results:
2957#
2958#	Defines and substs the following vars:
2959#		PKG_LIBS
2960#------------------------------------------------------------------------
2961AC_DEFUN([TEA_ADD_LIBS], [
2962    vars="$@"
2963    for i in $vars; do
2964	if test "${TEA_PLATFORM}" = "windows" -a "$GCC" = "yes" ; then
2965	    # Convert foo.lib to -lfoo for GCC.  No-op if not *.lib
2966	    i=`echo "$i" | sed -e 's/^\([[^-]].*\)\.lib[$]/-l\1/i'`
2967	fi
2968	PKG_LIBS="$PKG_LIBS $i"
2969    done
2970    AC_SUBST(PKG_LIBS)
2971])
2972
2973#------------------------------------------------------------------------
2974# TEA_ADD_CFLAGS --
2975#
2976#	Specify one or more CFLAGS.  Users should check for
2977#	the right platform before adding to their list.
2978#
2979# Arguments:
2980#	one or more file names
2981#
2982# Results:
2983#
2984#	Defines and substs the following vars:
2985#		PKG_CFLAGS
2986#------------------------------------------------------------------------
2987AC_DEFUN([TEA_ADD_CFLAGS], [
2988    PKG_CFLAGS="$PKG_CFLAGS $@"
2989    AC_SUBST(PKG_CFLAGS)
2990])
2991
2992#------------------------------------------------------------------------
2993# TEA_PREFIX --
2994#
2995#	Handle the --prefix=... option by defaulting to what Tcl gave
2996#
2997# Arguments:
2998#	none
2999#
3000# Results:
3001#
3002#	If --prefix or --exec-prefix was not specified, $prefix and
3003#	$exec_prefix will be set to the values given to Tcl when it was
3004#	configured.
3005#------------------------------------------------------------------------
3006AC_DEFUN([TEA_PREFIX], [
3007    if test "${prefix}" = "NONE"; then
3008	prefix_default=yes
3009	if test x"${TCL_PREFIX}" != x; then
3010	    AC_MSG_NOTICE([--prefix defaulting to TCL_PREFIX ${TCL_PREFIX}])
3011	    prefix=${TCL_PREFIX}
3012	else
3013	    AC_MSG_NOTICE([--prefix defaulting to /usr/local])
3014	    prefix=/usr/local
3015	fi
3016    fi
3017    if test "${exec_prefix}" = "NONE" -a x"${prefix_default}" = x"yes" \
3018	-o x"${exec_prefix_default}" = x"yes" ; then
3019	if test x"${TCL_EXEC_PREFIX}" != x; then
3020	    AC_MSG_NOTICE([--exec-prefix defaulting to TCL_EXEC_PREFIX ${TCL_EXEC_PREFIX}])
3021	    exec_prefix=${TCL_EXEC_PREFIX}
3022	else
3023	    AC_MSG_NOTICE([--exec-prefix defaulting to ${prefix}])
3024	    exec_prefix=$prefix
3025	fi
3026    fi
3027])
3028
3029#------------------------------------------------------------------------
3030# TEA_SETUP_COMPILER_CC --
3031#
3032#	Do compiler checks the way we want.  This is just a replacement
3033#	for AC_PROG_CC in TEA configure.in files to make them cleaner.
3034#
3035# Arguments:
3036#	none
3037#
3038# Results:
3039#
3040#	Sets up CC var and other standard bits we need to make executables.
3041#------------------------------------------------------------------------
3042AC_DEFUN([TEA_SETUP_COMPILER_CC], [
3043    # Don't put any macros that use the compiler (e.g. AC_TRY_COMPILE)
3044    # in this macro, they need to go into TEA_SETUP_COMPILER instead.
3045
3046    # If the user did not set CFLAGS, set it now to keep
3047    # the AC_PROG_CC macro from adding "-g -O2".
3048    if test "${CFLAGS+set}" != "set" ; then
3049	CFLAGS=""
3050    fi
3051
3052    AC_PROG_CC
3053    AC_PROG_CPP
3054
3055    AC_PROG_INSTALL
3056
3057    #--------------------------------------------------------------------
3058    # Checks to see if the make program sets the $MAKE variable.
3059    #--------------------------------------------------------------------
3060
3061    AC_PROG_MAKE_SET
3062
3063    #--------------------------------------------------------------------
3064    # Find ranlib
3065    #--------------------------------------------------------------------
3066
3067    AC_PROG_RANLIB
3068
3069    #--------------------------------------------------------------------
3070    # Determines the correct binary file extension (.o, .obj, .exe etc.)
3071    #--------------------------------------------------------------------
3072
3073    AC_OBJEXT
3074    AC_EXEEXT
3075])
3076
3077#------------------------------------------------------------------------
3078# TEA_SETUP_COMPILER --
3079#
3080#	Do compiler checks that use the compiler.  This must go after
3081#	TEA_SETUP_COMPILER_CC, which does the actual compiler check.
3082#
3083# Arguments:
3084#	none
3085#
3086# Results:
3087#
3088#	Sets up CC var and other standard bits we need to make executables.
3089#------------------------------------------------------------------------
3090AC_DEFUN([TEA_SETUP_COMPILER], [
3091    # Any macros that use the compiler (e.g. AC_TRY_COMPILE) have to go here.
3092    AC_REQUIRE([TEA_SETUP_COMPILER_CC])
3093
3094    #------------------------------------------------------------------------
3095    # If we're using GCC, see if the compiler understands -pipe. If so, use it.
3096    # It makes compiling go faster.  (This is only a performance feature.)
3097    #------------------------------------------------------------------------
3098
3099    if test -z "$no_pipe" -a -n "$GCC"; then
3100	AC_MSG_CHECKING([if the compiler understands -pipe])
3101	OLDCC="$CC"
3102	CC="$CC -pipe"
3103	AC_TRY_COMPILE(,, AC_MSG_RESULT([yes]), CC="$OLDCC"
3104	    AC_MSG_RESULT([no]))
3105    fi
3106
3107    #--------------------------------------------------------------------
3108    # Common compiler flag setup
3109    #--------------------------------------------------------------------
3110
3111    AC_C_BIGENDIAN
3112    if test "${TEA_PLATFORM}" = "unix" ; then
3113	TEA_TCL_LINK_LIBS
3114	TEA_MISSING_POSIX_HEADERS
3115	# Let the user call this, because if it triggers, they will
3116	# need a compat/strtod.c that is correct.  Users can also
3117	# use Tcl_GetDouble(FromObj) instead.
3118	#TEA_BUGGY_STRTOD
3119    fi
3120])
3121
3122#------------------------------------------------------------------------
3123# TEA_MAKE_LIB --
3124#
3125#	Generate a line that can be used to build a shared/unshared library
3126#	in a platform independent manner.
3127#
3128# Arguments:
3129#	none
3130#
3131#	Requires:
3132#
3133# Results:
3134#
3135#	Defines the following vars:
3136#	CFLAGS -	Done late here to note disturb other AC macros
3137#       MAKE_LIB -      Command to execute to build the Tcl library;
3138#                       differs depending on whether or not Tcl is being
3139#                       compiled as a shared library.
3140#	MAKE_SHARED_LIB	Makefile rule for building a shared library
3141#	MAKE_STATIC_LIB	Makefile rule for building a static library
3142#	MAKE_STUB_LIB	Makefile rule for building a stub library
3143#------------------------------------------------------------------------
3144
3145AC_DEFUN([TEA_MAKE_LIB], [
3146    if test "${TEA_PLATFORM}" = "windows" -a "$GCC" != "yes"; then
3147	MAKE_STATIC_LIB="\${STLIB_LD} -out:\[$]@ \$(PKG_OBJECTS)"
3148	MAKE_SHARED_LIB="\${SHLIB_LD} \${SHLIB_LD_LIBS} \${LDFLAGS_DEFAULT} -out:\[$]@ \$(PKG_OBJECTS)"
3149	MAKE_STUB_LIB="\${STLIB_LD} -out:\[$]@ \$(PKG_STUB_OBJECTS)"
3150    else
3151	MAKE_STATIC_LIB="\${STLIB_LD} \[$]@ \$(PKG_OBJECTS)"
3152	MAKE_SHARED_LIB="\${SHLIB_LD} -o \[$]@ \$(PKG_OBJECTS) \${SHLIB_LD_LIBS}"
3153	MAKE_STUB_LIB="\${STLIB_LD} \[$]@ \$(PKG_STUB_OBJECTS)"
3154    fi
3155
3156    if test "${SHARED_BUILD}" = "1" ; then
3157	MAKE_LIB="${MAKE_SHARED_LIB} "
3158    else
3159	MAKE_LIB="${MAKE_STATIC_LIB} "
3160    fi
3161
3162    #--------------------------------------------------------------------
3163    # Shared libraries and static libraries have different names.
3164    # Use the double eval to make sure any variables in the suffix is
3165    # substituted. (@@@ Might not be necessary anymore)
3166    #--------------------------------------------------------------------
3167
3168    if test "${TEA_PLATFORM}" = "windows" ; then
3169	if test "${SHARED_BUILD}" = "1" ; then
3170	    # We force the unresolved linking of symbols that are really in
3171	    # the private libraries of Tcl and Tk.
3172	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}`\""
3173	    if test x"${TK_BIN_DIR}" != x ; then
3174		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TK_BIN_DIR}/${TK_STUB_LIB_FILE}`\""
3175	    fi
3176	    eval eval "PKG_LIB_FILE=${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
3177	else
3178	    eval eval "PKG_LIB_FILE=${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
3179	fi
3180	# Some packages build their own stubs libraries
3181	eval eval "PKG_STUB_LIB_FILE=${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
3182	if test "$GCC" = "yes"; then
3183	    PKG_STUB_LIB_FILE=lib${PKG_STUB_LIB_FILE}
3184	fi
3185	# These aren't needed on Windows (either MSVC or gcc)
3186	RANLIB=:
3187	RANLIB_STUB=:
3188    else
3189	RANLIB_STUB="${RANLIB}"
3190	if test "${SHARED_BUILD}" = "1" ; then
3191	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} ${TCL_STUB_LIB_SPEC}"
3192	    if test x"${TK_BIN_DIR}" != x ; then
3193		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} ${TK_STUB_LIB_SPEC}"
3194	    fi
3195	    eval eval "PKG_LIB_FILE=lib${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
3196	    RANLIB=:
3197	else
3198	    eval eval "PKG_LIB_FILE=lib${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
3199	fi
3200	# Some packages build their own stubs libraries
3201	eval eval "PKG_STUB_LIB_FILE=lib${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
3202    fi
3203
3204    # These are escaped so that only CFLAGS is picked up at configure time.
3205    # The other values will be substituted at make time.
3206    CFLAGS="${CFLAGS} \${CFLAGS_DEFAULT} \${CFLAGS_WARNING}"
3207    if test "${SHARED_BUILD}" = "1" ; then
3208	CFLAGS="${CFLAGS} \${SHLIB_CFLAGS}"
3209    fi
3210
3211    AC_SUBST(MAKE_LIB)
3212    AC_SUBST(MAKE_SHARED_LIB)
3213    AC_SUBST(MAKE_STATIC_LIB)
3214    AC_SUBST(MAKE_STUB_LIB)
3215    AC_SUBST(RANLIB_STUB)
3216])
3217
3218#------------------------------------------------------------------------
3219# TEA_LIB_SPEC --
3220#
3221#	Compute the name of an existing object library located in libdir
3222#	from the given base name and produce the appropriate linker flags.
3223#
3224# Arguments:
3225#	basename	The base name of the library without version
3226#			numbers, extensions, or "lib" prefixes.
3227#	extra_dir	Extra directory in which to search for the
3228#			library.  This location is used first, then
3229#			$prefix/$exec-prefix, then some defaults.
3230#
3231# Requires:
3232#	TEA_INIT and TEA_PREFIX must be called first.
3233#
3234# Results:
3235#
3236#	Defines the following vars:
3237#		${basename}_LIB_NAME	The computed library name.
3238#		${basename}_LIB_SPEC	The computed linker flags.
3239#------------------------------------------------------------------------
3240
3241AC_DEFUN([TEA_LIB_SPEC], [
3242    AC_MSG_CHECKING([for $1 library])
3243
3244    # Look in exec-prefix for the library (defined by TEA_PREFIX).
3245
3246    tea_lib_name_dir="${exec_prefix}/lib"
3247
3248    # Or in a user-specified location.
3249
3250    if test x"$2" != x ; then
3251	tea_extra_lib_dir=$2
3252    else
3253	tea_extra_lib_dir=NONE
3254    fi
3255
3256    for i in \
3257	    `ls -dr ${tea_extra_lib_dir}/$1[[0-9]]*.lib 2>/dev/null ` \
3258	    `ls -dr ${tea_extra_lib_dir}/lib$1[[0-9]]* 2>/dev/null ` \
3259	    `ls -dr ${tea_lib_name_dir}/$1[[0-9]]*.lib 2>/dev/null ` \
3260	    `ls -dr ${tea_lib_name_dir}/lib$1[[0-9]]* 2>/dev/null ` \
3261	    `ls -dr /usr/lib/$1[[0-9]]*.lib 2>/dev/null ` \
3262	    `ls -dr /usr/lib/lib$1[[0-9]]* 2>/dev/null ` \
3263	    `ls -dr /usr/local/lib/$1[[0-9]]*.lib 2>/dev/null ` \
3264	    `ls -dr /usr/local/lib/lib$1[[0-9]]* 2>/dev/null ` ; do
3265	if test -f "$i" ; then
3266	    tea_lib_name_dir=`dirname $i`
3267	    $1_LIB_NAME=`basename $i`
3268	    $1_LIB_PATH_NAME=$i
3269	    break
3270	fi
3271    done
3272
3273    if test "${TEA_PLATFORM}" = "windows"; then
3274	$1_LIB_SPEC=\"`${CYGPATH} ${$1_LIB_PATH_NAME} 2>/dev/null`\"
3275    else
3276	# Strip off the leading "lib" and trailing ".a" or ".so"
3277
3278	tea_lib_name_lib=`echo ${$1_LIB_NAME}|sed -e 's/^lib//' -e 's/\.[[^.]]*$//' -e 's/\.so.*//'`
3279	$1_LIB_SPEC="-L${tea_lib_name_dir} -l${tea_lib_name_lib}"
3280    fi
3281
3282    if test "x${$1_LIB_NAME}" = x ; then
3283	AC_MSG_ERROR([not found])
3284    else
3285	AC_MSG_RESULT([${$1_LIB_SPEC}])
3286    fi
3287])
3288
3289#------------------------------------------------------------------------
3290# TEA_PRIVATE_TCL_HEADERS --
3291#
3292#	Locate the private Tcl include files
3293#
3294# Arguments:
3295#
3296#	Requires:
3297#		TCL_SRC_DIR	Assumes that TEA_LOAD_TCLCONFIG has
3298#				 already been called.
3299#
3300# Results:
3301#
3302#	Substs the following vars:
3303#		TCL_TOP_DIR_NATIVE
3304#		TCL_GENERIC_DIR_NATIVE
3305#		TCL_UNIX_DIR_NATIVE
3306#		TCL_WIN_DIR_NATIVE
3307#		TCL_BMAP_DIR_NATIVE
3308#		TCL_TOOL_DIR_NATIVE
3309#		TCL_PLATFORM_DIR_NATIVE
3310#		TCL_BIN_DIR_NATIVE
3311#		TCL_INCLUDES
3312#------------------------------------------------------------------------
3313
3314AC_DEFUN([TEA_PRIVATE_TCL_HEADERS], [
3315    AC_MSG_CHECKING([for Tcl private include files])
3316
3317    TCL_SRC_DIR_NATIVE=`${CYGPATH} ${TCL_SRC_DIR}`
3318    TCL_TOP_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}\"
3319    TCL_GENERIC_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/generic\"
3320    TCL_UNIX_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/unix\"
3321    TCL_WIN_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/win\"
3322    TCL_BMAP_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/bitmaps\"
3323    TCL_TOOL_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/tools\"
3324    TCL_COMPAT_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/compat\"
3325
3326    if test "${TEA_PLATFORM}" = "windows"; then
3327	TCL_PLATFORM_DIR_NATIVE=${TCL_WIN_DIR_NATIVE}
3328    else
3329	TCL_PLATFORM_DIR_NATIVE=${TCL_UNIX_DIR_NATIVE}
3330    fi
3331    # We want to ensure these are substituted so as not to require
3332    # any *_NATIVE vars be defined in the Makefile
3333    TCL_INCLUDES="-I${TCL_GENERIC_DIR_NATIVE} -I${TCL_PLATFORM_DIR_NATIVE}"
3334    if test "`uname -s`" = "Darwin"; then
3335        # If Tcl was built as a framework, attempt to use
3336        # the framework's Headers and PrivateHeaders directories
3337        case ${TCL_DEFS} in
3338	    *TCL_FRAMEWORK*)
3339	        if test -d "${TCL_BIN_DIR}/Headers" -a -d "${TCL_BIN_DIR}/PrivateHeaders"; then
3340	        TCL_INCLUDES="-I\"${TCL_BIN_DIR}/Headers\" -I\"${TCL_BIN_DIR}/PrivateHeaders\" ${TCL_INCLUDES}"; else
3341	        TCL_INCLUDES="${TCL_INCLUDES} ${TCL_INCLUDE_SPEC} `echo "${TCL_INCLUDE_SPEC}" | sed -e 's/Headers/PrivateHeaders/'`"; fi
3342	        ;;
3343	esac
3344    fi
3345
3346    AC_SUBST(TCL_TOP_DIR_NATIVE)
3347    AC_SUBST(TCL_GENERIC_DIR_NATIVE)
3348    AC_SUBST(TCL_UNIX_DIR_NATIVE)
3349    AC_SUBST(TCL_WIN_DIR_NATIVE)
3350    AC_SUBST(TCL_BMAP_DIR_NATIVE)
3351    AC_SUBST(TCL_TOOL_DIR_NATIVE)
3352    AC_SUBST(TCL_PLATFORM_DIR_NATIVE)
3353
3354    AC_SUBST(TCL_INCLUDES)
3355    AC_MSG_RESULT([Using srcdir found in tclConfig.sh: ${TCL_SRC_DIR}])
3356])
3357
3358#------------------------------------------------------------------------
3359# TEA_PUBLIC_TCL_HEADERS --
3360#
3361#	Locate the installed public Tcl header files
3362#
3363# Arguments:
3364#	None.
3365#
3366# Requires:
3367#	CYGPATH must be set
3368#
3369# Results:
3370#
3371#	Adds a --with-tclinclude switch to configure.
3372#	Result is cached.
3373#
3374#	Substs the following vars:
3375#		TCL_INCLUDES
3376#------------------------------------------------------------------------
3377
3378AC_DEFUN([TEA_PUBLIC_TCL_HEADERS], [
3379    AC_MSG_CHECKING([for Tcl public headers])
3380
3381    AC_ARG_WITH(tclinclude, [  --with-tclinclude       directory containing the public Tcl header files], with_tclinclude=${withval})
3382
3383    AC_CACHE_VAL(ac_cv_c_tclh, [
3384	# Use the value from --with-tclinclude, if it was given
3385
3386	if test x"${with_tclinclude}" != x ; then
3387	    if test -f "${with_tclinclude}/tcl.h" ; then
3388		ac_cv_c_tclh=${with_tclinclude}
3389	    else
3390		AC_MSG_ERROR([${with_tclinclude} directory does not contain tcl.h])
3391	    fi
3392	else
3393	    if test "`uname -s`" = "Darwin"; then
3394		# If Tcl was built as a framework, attempt to use
3395		# the framework's Headers directory
3396		case ${TCL_DEFS} in
3397		    *TCL_FRAMEWORK*)
3398			list="`ls -d ${TCL_BIN_DIR}/Headers 2>/dev/null`"
3399			;;
3400		esac
3401	    fi
3402
3403	    # Look in the source dir only if Tcl is not installed,
3404	    # and in that situation, look there before installed locations.
3405	    if test -f "${TCL_BIN_DIR}/Makefile" ; then
3406		list="$list `ls -d ${TCL_SRC_DIR}/generic 2>/dev/null`"
3407	    fi
3408
3409	    # Check order: pkg --prefix location, Tcl's --prefix location,
3410	    # relative to directory of tclConfig.sh.
3411
3412	    eval "temp_includedir=${includedir}"
3413	    list="$list \
3414		`ls -d ${temp_includedir}        2>/dev/null` \
3415		`ls -d ${TCL_PREFIX}/include     2>/dev/null` \
3416		`ls -d ${TCL_BIN_DIR}/../include 2>/dev/null`"
3417	    if test "${TEA_PLATFORM}" != "windows" -o "$GCC" = "yes"; then
3418		list="$list /usr/local/include /usr/include"
3419		if test x"${TCL_INCLUDE_SPEC}" != x ; then
3420		    d=`echo "${TCL_INCLUDE_SPEC}" | sed -e 's/^-I//'`
3421		    list="$list `ls -d ${d} 2>/dev/null`"
3422		fi
3423	    fi
3424	    for i in $list ; do
3425		if test -f "$i/tcl.h" ; then
3426		    ac_cv_c_tclh=$i
3427		    break
3428		fi
3429	    done
3430	fi
3431    ])
3432
3433    # Print a message based on how we determined the include path
3434
3435    if test x"${ac_cv_c_tclh}" = x ; then
3436	AC_MSG_ERROR([tcl.h not found.  Please specify its location with --with-tclinclude])
3437    else
3438	AC_MSG_RESULT([${ac_cv_c_tclh}])
3439    fi
3440
3441    # Convert to a native path and substitute into the output files.
3442
3443    INCLUDE_DIR_NATIVE=`${CYGPATH} ${ac_cv_c_tclh}`
3444
3445    TCL_INCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
3446
3447    AC_SUBST(TCL_INCLUDES)
3448])
3449
3450#------------------------------------------------------------------------
3451# TEA_PRIVATE_TK_HEADERS --
3452#
3453#	Locate the private Tk include files
3454#
3455# Arguments:
3456#
3457#	Requires:
3458#		TK_SRC_DIR	Assumes that TEA_LOAD_TKCONFIG has
3459#				 already been called.
3460#
3461# Results:
3462#
3463#	Substs the following vars:
3464#		TK_INCLUDES
3465#------------------------------------------------------------------------
3466
3467AC_DEFUN([TEA_PRIVATE_TK_HEADERS], [
3468    AC_MSG_CHECKING([for Tk private include files])
3469
3470    TK_SRC_DIR_NATIVE=`${CYGPATH} ${TK_SRC_DIR}`
3471    TK_TOP_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}\"
3472    TK_UNIX_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}/unix\"
3473    TK_WIN_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}/win\"
3474    TK_GENERIC_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}/generic\"
3475    TK_XLIB_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}/xlib\"
3476    if test "${TEA_PLATFORM}" = "windows"; then
3477	TK_PLATFORM_DIR_NATIVE=${TK_WIN_DIR_NATIVE}
3478    else
3479	TK_PLATFORM_DIR_NATIVE=${TK_UNIX_DIR_NATIVE}
3480    fi
3481    # We want to ensure these are substituted so as not to require
3482    # any *_NATIVE vars be defined in the Makefile
3483    TK_INCLUDES="-I${TK_GENERIC_DIR_NATIVE} -I${TK_PLATFORM_DIR_NATIVE}"
3484    if test "${TEA_WINDOWINGSYSTEM}" = "win32" \
3485	-o "${TEA_WINDOWINGSYSTEM}" = "aqua"; then
3486	TK_INCLUDES="${TK_INCLUDES} -I${TK_XLIB_DIR_NATIVE}"
3487    fi
3488    if test "${TEA_WINDOWINGSYSTEM}" = "aqua"; then
3489	TK_INCLUDES="${TK_INCLUDES} -I${TK_SRC_DIR_NATIVE}/macosx"
3490    fi
3491    if test "`uname -s`" = "Darwin"; then
3492        # If Tk was built as a framework, attempt to use
3493        # the framework's Headers and PrivateHeaders directories
3494        case ${TK_DEFS} in
3495	    *TK_FRAMEWORK*)
3496	        if test -d "${TK_BIN_DIR}/Headers" -a -d "${TK_BIN_DIR}/PrivateHeaders"; then
3497	        TK_INCLUDES="-I\"${TK_BIN_DIR}/Headers\" -I\"${TK_BIN_DIR}/PrivateHeaders\" ${TK_INCLUDES}"; fi
3498	        ;;
3499	esac
3500    fi
3501
3502    AC_SUBST(TK_TOP_DIR_NATIVE)
3503    AC_SUBST(TK_UNIX_DIR_NATIVE)
3504    AC_SUBST(TK_WIN_DIR_NATIVE)
3505    AC_SUBST(TK_GENERIC_DIR_NATIVE)
3506    AC_SUBST(TK_XLIB_DIR_NATIVE)
3507    AC_SUBST(TK_PLATFORM_DIR_NATIVE)
3508
3509    AC_SUBST(TK_INCLUDES)
3510    AC_MSG_RESULT([Using srcdir found in tkConfig.sh: ${TK_SRC_DIR}])
3511])
3512
3513#------------------------------------------------------------------------
3514# TEA_PUBLIC_TK_HEADERS --
3515#
3516#	Locate the installed public Tk header files
3517#
3518# Arguments:
3519#	None.
3520#
3521# Requires:
3522#	CYGPATH must be set
3523#
3524# Results:
3525#
3526#	Adds a --with-tkinclude switch to configure.
3527#	Result is cached.
3528#
3529#	Substs the following vars:
3530#		TK_INCLUDES
3531#------------------------------------------------------------------------
3532
3533AC_DEFUN([TEA_PUBLIC_TK_HEADERS], [
3534    AC_MSG_CHECKING([for Tk public headers])
3535
3536    AC_ARG_WITH(tkinclude, [  --with-tkinclude      directory containing the public Tk header files.], with_tkinclude=${withval})
3537
3538    AC_CACHE_VAL(ac_cv_c_tkh, [
3539	# Use the value from --with-tkinclude, if it was given
3540
3541	if test x"${with_tkinclude}" != x ; then
3542	    if test -f "${with_tkinclude}/tk.h" ; then
3543		ac_cv_c_tkh=${with_tkinclude}
3544	    else
3545		AC_MSG_ERROR([${with_tkinclude} directory does not contain tk.h])
3546	    fi
3547	else
3548	    if test "`uname -s`" = "Darwin"; then
3549		# If Tk was built as a framework, attempt to use
3550		# the framework's Headers directory.
3551		case ${TK_DEFS} in
3552		    *TK_FRAMEWORK*)
3553			list="`ls -d ${TK_BIN_DIR}/Headers 2>/dev/null`"
3554			;;
3555		esac
3556	    fi
3557
3558	    # Look in the source dir only if Tk is not installed,
3559	    # and in that situation, look there before installed locations.
3560	    if test -f "${TK_BIN_DIR}/Makefile" ; then
3561		list="$list `ls -d ${TK_SRC_DIR}/generic 2>/dev/null`"
3562	    fi
3563
3564	    # Check order: pkg --prefix location, Tk's --prefix location,
3565	    # relative to directory of tkConfig.sh, Tcl's --prefix location,
3566	    # relative to directory of tclConfig.sh.
3567
3568	    eval "temp_includedir=${includedir}"
3569	    list="$list \
3570		`ls -d ${temp_includedir}        2>/dev/null` \
3571		`ls -d ${TK_PREFIX}/include      2>/dev/null` \
3572		`ls -d ${TK_BIN_DIR}/../include  2>/dev/null` \
3573		`ls -d ${TCL_PREFIX}/include     2>/dev/null` \
3574		`ls -d ${TCL_BIN_DIR}/../include 2>/dev/null`"
3575	    if test "${TEA_PLATFORM}" != "windows" -o "$GCC" = "yes"; then
3576		list="$list /usr/local/include /usr/include"
3577	    fi
3578	    for i in $list ; do
3579		if test -f "$i/tk.h" ; then
3580		    ac_cv_c_tkh=$i
3581		    break
3582		fi
3583	    done
3584	fi
3585    ])
3586
3587    # Print a message based on how we determined the include path
3588
3589    if test x"${ac_cv_c_tkh}" = x ; then
3590	AC_MSG_ERROR([tk.h not found.  Please specify its location with --with-tkinclude])
3591    else
3592	AC_MSG_RESULT([${ac_cv_c_tkh}])
3593    fi
3594
3595    # Convert to a native path and substitute into the output files.
3596
3597    INCLUDE_DIR_NATIVE=`${CYGPATH} ${ac_cv_c_tkh}`
3598
3599    TK_INCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
3600
3601    AC_SUBST(TK_INCLUDES)
3602
3603    if test "${TEA_WINDOWINGSYSTEM}" = "win32" \
3604	-o "${TEA_WINDOWINGSYSTEM}" = "aqua"; then
3605	# On Windows and Aqua, we need the X compat headers
3606	AC_MSG_CHECKING([for X11 header files])
3607	if test ! -r "${INCLUDE_DIR_NATIVE}/X11/Xlib.h"; then
3608	    INCLUDE_DIR_NATIVE="`${CYGPATH} ${TK_SRC_DIR}/xlib`"
3609	    TK_XINCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
3610	    AC_SUBST(TK_XINCLUDES)
3611	fi
3612	AC_MSG_RESULT([${INCLUDE_DIR_NATIVE}])
3613    fi
3614])
3615
3616#------------------------------------------------------------------------
3617# TEA_PROG_TCLSH
3618#	Determine the fully qualified path name of the tclsh executable
3619#	in the Tcl build directory or the tclsh installed in a bin
3620#	directory. This macro will correctly determine the name
3621#	of the tclsh executable even if tclsh has not yet been
3622#	built in the build directory. The tclsh found is always
3623#	associated with a tclConfig.sh file. This tclsh should be used
3624#	only for running extension test cases. It should never be
3625#	or generation of files (like pkgIndex.tcl) at build time.
3626#
3627# Arguments
3628#	none
3629#
3630# Results
3631#	Subst's the following values:
3632#		TCLSH_PROG
3633#------------------------------------------------------------------------
3634
3635AC_DEFUN([TEA_PROG_TCLSH], [
3636    AC_MSG_CHECKING([for tclsh])
3637    if test -f "${TCL_BIN_DIR}/Makefile" ; then
3638        # tclConfig.sh is in Tcl build directory
3639        if test "${TEA_PLATFORM}" = "windows"; then
3640            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}${EXEEXT}"
3641        else
3642            TCLSH_PROG="${TCL_BIN_DIR}/tclsh"
3643        fi
3644    else
3645        # tclConfig.sh is in install location
3646        if test "${TEA_PLATFORM}" = "windows"; then
3647            TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}${EXEEXT}"
3648        else
3649            TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}.${TCL_MINOR_VERSION}${TCL_DBGX}"
3650        fi
3651        list="`ls -d ${TCL_BIN_DIR}/../bin 2>/dev/null` \
3652              `ls -d ${TCL_BIN_DIR}/..     2>/dev/null` \
3653              `ls -d ${TCL_PREFIX}/bin     2>/dev/null`"
3654        for i in $list ; do
3655            if test -f "$i/${TCLSH_PROG}" ; then
3656                REAL_TCL_BIN_DIR="`cd "$i"; pwd`"
3657                break
3658            fi
3659        done
3660        TCLSH_PROG="${REAL_TCL_BIN_DIR}/${TCLSH_PROG}"
3661    fi
3662    AC_MSG_RESULT([${TCLSH_PROG}])
3663    AC_SUBST(TCLSH_PROG)
3664])
3665
3666#------------------------------------------------------------------------
3667# TEA_PROG_WISH
3668#	Determine the fully qualified path name of the wish executable
3669#	in the Tk build directory or the wish installed in a bin
3670#	directory. This macro will correctly determine the name
3671#	of the wish executable even if wish has not yet been
3672#	built in the build directory. The wish found is always
3673#	associated with a tkConfig.sh file. This wish should be used
3674#	only for running extension test cases. It should never be
3675#	or generation of files (like pkgIndex.tcl) at build time.
3676#
3677# Arguments
3678#	none
3679#
3680# Results
3681#	Subst's the following values:
3682#		WISH_PROG
3683#------------------------------------------------------------------------
3684
3685AC_DEFUN([TEA_PROG_WISH], [
3686    AC_MSG_CHECKING([for wish])
3687    if test -f "${TK_BIN_DIR}/Makefile" ; then
3688        # tkConfig.sh is in Tk build directory
3689        if test "${TEA_PLATFORM}" = "windows"; then
3690            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}${EXEEXT}"
3691        else
3692            WISH_PROG="${TK_BIN_DIR}/wish"
3693        fi
3694    else
3695        # tkConfig.sh is in install location
3696        if test "${TEA_PLATFORM}" = "windows"; then
3697            WISH_PROG="wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}${EXEEXT}"
3698        else
3699            WISH_PROG="wish${TK_MAJOR_VERSION}.${TK_MINOR_VERSION}${TK_DBGX}"
3700        fi
3701        list="`ls -d ${TK_BIN_DIR}/../bin 2>/dev/null` \
3702              `ls -d ${TK_BIN_DIR}/..     2>/dev/null` \
3703              `ls -d ${TK_PREFIX}/bin     2>/dev/null`"
3704        for i in $list ; do
3705            if test -f "$i/${WISH_PROG}" ; then
3706                REAL_TK_BIN_DIR="`cd "$i"; pwd`"
3707                break
3708            fi
3709        done
3710        WISH_PROG="${REAL_TK_BIN_DIR}/${WISH_PROG}"
3711    fi
3712    AC_MSG_RESULT([${WISH_PROG}])
3713    AC_SUBST(WISH_PROG)
3714])
3715
3716#------------------------------------------------------------------------
3717# TEA_PATH_CONFIG --
3718#
3719#	Locate the ${1}Config.sh file and perform a sanity check on
3720#	the ${1} compile flags.  These are used by packages like
3721#	[incr Tk] that load *Config.sh files from more than Tcl and Tk.
3722#
3723# Arguments:
3724#	none
3725#
3726# Results:
3727#
3728#	Adds the following arguments to configure:
3729#		--with-$1=...
3730#
3731#	Defines the following vars:
3732#		$1_BIN_DIR	Full path to the directory containing
3733#				the $1Config.sh file
3734#------------------------------------------------------------------------
3735
3736AC_DEFUN([TEA_PATH_CONFIG], [
3737    #
3738    # Ok, lets find the $1 configuration
3739    # First, look for one uninstalled.
3740    # the alternative search directory is invoked by --with-$1
3741    #
3742
3743    if test x"${no_$1}" = x ; then
3744	# we reset no_$1 in case something fails here
3745	no_$1=true
3746	AC_ARG_WITH($1, [  --with-$1              directory containing $1 configuration ($1Config.sh)], with_$1config=${withval})
3747	AC_MSG_CHECKING([for $1 configuration])
3748	AC_CACHE_VAL(ac_cv_c_$1config,[
3749
3750	    # First check to see if --with-$1 was specified.
3751	    if test x"${with_$1config}" != x ; then
3752		case ${with_$1config} in
3753		    */$1Config.sh )
3754			if test -f ${with_$1config}; then
3755			    AC_MSG_WARN([--with-$1 argument should refer to directory containing $1Config.sh, not to $1Config.sh itself])
3756			    with_$1config=`echo ${with_$1config} | sed 's!/$1Config\.sh$!!'`
3757			fi;;
3758		esac
3759		if test -f "${with_$1config}/$1Config.sh" ; then
3760		    ac_cv_c_$1config=`(cd ${with_$1config}; pwd)`
3761		else
3762		    AC_MSG_ERROR([${with_$1config} directory doesn't contain $1Config.sh])
3763		fi
3764	    fi
3765
3766	    # then check for a private $1 installation
3767	    if test x"${ac_cv_c_$1config}" = x ; then
3768		for i in \
3769			../$1 \
3770			`ls -dr ../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
3771			`ls -dr ../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
3772			`ls -dr ../$1*[[0-9]].[[0-9]] 2>/dev/null` \
3773			`ls -dr ../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
3774			../../$1 \
3775			`ls -dr ../../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
3776			`ls -dr ../../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
3777			`ls -dr ../../$1*[[0-9]].[[0-9]] 2>/dev/null` \
3778			`ls -dr ../../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
3779			../../../$1 \
3780			`ls -dr ../../../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
3781			`ls -dr ../../../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
3782			`ls -dr ../../../$1*[[0-9]].[[0-9]] 2>/dev/null` \
3783			`ls -dr ../../../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
3784			${srcdir}/../$1 \
3785			`ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
3786			`ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
3787			`ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]] 2>/dev/null` \
3788			`ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
3789			; do
3790		    if test -f "$i/$1Config.sh" ; then
3791			ac_cv_c_$1config=`(cd $i; pwd)`
3792			break
3793		    fi
3794		    if test -f "$i/unix/$1Config.sh" ; then
3795			ac_cv_c_$1config=`(cd $i/unix; pwd)`
3796			break
3797		    fi
3798		done
3799	    fi
3800
3801	    # check in a few common install locations
3802	    if test x"${ac_cv_c_$1config}" = x ; then
3803		for i in `ls -d ${libdir} 2>/dev/null` \
3804			`ls -d ${exec_prefix}/lib 2>/dev/null` \
3805			`ls -d ${prefix}/lib 2>/dev/null` \
3806			`ls -d /usr/local/lib 2>/dev/null` \
3807			`ls -d /usr/contrib/lib 2>/dev/null` \
3808			`ls -d /usr/lib 2>/dev/null` \
3809			; do
3810		    if test -f "$i/$1Config.sh" ; then
3811			ac_cv_c_$1config=`(cd $i; pwd)`
3812			break
3813		    fi
3814		done
3815	    fi
3816	])
3817
3818	if test x"${ac_cv_c_$1config}" = x ; then
3819	    $1_BIN_DIR="# no $1 configs found"
3820	    AC_MSG_WARN([Cannot find $1 configuration definitions])
3821	    exit 0
3822	else
3823	    no_$1=
3824	    $1_BIN_DIR=${ac_cv_c_$1config}
3825	    AC_MSG_RESULT([found $$1_BIN_DIR/$1Config.sh])
3826	fi
3827    fi
3828])
3829
3830#------------------------------------------------------------------------
3831# TEA_LOAD_CONFIG --
3832#
3833#	Load the $1Config.sh file
3834#
3835# Arguments:
3836#
3837#	Requires the following vars to be set:
3838#		$1_BIN_DIR
3839#
3840# Results:
3841#
3842#	Subst the following vars:
3843#		$1_SRC_DIR
3844#		$1_LIB_FILE
3845#		$1_LIB_SPEC
3846#
3847#------------------------------------------------------------------------
3848
3849AC_DEFUN([TEA_LOAD_CONFIG], [
3850    AC_MSG_CHECKING([for existence of ${$1_BIN_DIR}/$1Config.sh])
3851
3852    if test -f "${$1_BIN_DIR}/$1Config.sh" ; then
3853        AC_MSG_RESULT([loading])
3854	. ${$1_BIN_DIR}/$1Config.sh
3855    else
3856        AC_MSG_RESULT([file not found])
3857    fi
3858
3859    #
3860    # If the $1_BIN_DIR is the build directory (not the install directory),
3861    # then set the common variable name to the value of the build variables.
3862    # For example, the variable $1_LIB_SPEC will be set to the value
3863    # of $1_BUILD_LIB_SPEC. An extension should make use of $1_LIB_SPEC
3864    # instead of $1_BUILD_LIB_SPEC since it will work with both an
3865    # installed and uninstalled version of Tcl.
3866    #
3867
3868    if test -f ${$1_BIN_DIR}/Makefile ; then
3869	AC_MSG_WARN([Found Makefile - using build library specs for $1])
3870        $1_LIB_SPEC=${$1_BUILD_LIB_SPEC}
3871        $1_STUB_LIB_SPEC=${$1_BUILD_STUB_LIB_SPEC}
3872        $1_STUB_LIB_PATH=${$1_BUILD_STUB_LIB_PATH}
3873    fi
3874
3875    AC_SUBST($1_VERSION)
3876    AC_SUBST($1_BIN_DIR)
3877    AC_SUBST($1_SRC_DIR)
3878
3879    AC_SUBST($1_LIB_FILE)
3880    AC_SUBST($1_LIB_SPEC)
3881
3882    AC_SUBST($1_STUB_LIB_FILE)
3883    AC_SUBST($1_STUB_LIB_SPEC)
3884    AC_SUBST($1_STUB_LIB_PATH)
3885])
3886
3887#------------------------------------------------------------------------
3888# TEA_PATH_CELIB --
3889#
3890#	Locate Keuchel's celib emulation layer for targeting Win/CE
3891#
3892# Arguments:
3893#	none
3894#
3895# Results:
3896#
3897#	Adds the following arguments to configure:
3898#		--with-celib=...
3899#
3900#	Defines the following vars:
3901#		CELIB_DIR	Full path to the directory containing
3902#				the include and platform lib files
3903#------------------------------------------------------------------------
3904
3905AC_DEFUN([TEA_PATH_CELIB], [
3906    # First, look for one uninstalled.
3907    # the alternative search directory is invoked by --with-celib
3908
3909    if test x"${no_celib}" = x ; then
3910	# we reset no_celib in case something fails here
3911	no_celib=true
3912	AC_ARG_WITH(celib,[  --with-celib=DIR        use Windows/CE support library from DIR], with_celibconfig=${withval})
3913	AC_MSG_CHECKING([for Windows/CE celib directory])
3914	AC_CACHE_VAL(ac_cv_c_celibconfig,[
3915	    # First check to see if --with-celibconfig was specified.
3916	    if test x"${with_celibconfig}" != x ; then
3917		if test -d "${with_celibconfig}/inc" ; then
3918		    ac_cv_c_celibconfig=`(cd ${with_celibconfig}; pwd)`
3919		else
3920		    AC_MSG_ERROR([${with_celibconfig} directory doesn't contain inc directory])
3921		fi
3922	    fi
3923
3924	    # then check for a celib library
3925	    if test x"${ac_cv_c_celibconfig}" = x ; then
3926		for i in \
3927			../celib-palm-3.0 \
3928			../celib \
3929			../../celib-palm-3.0 \
3930			../../celib \
3931			`ls -dr ../celib-*3.[[0-9]]* 2>/dev/null` \
3932			${srcdir}/../celib-palm-3.0 \
3933			${srcdir}/../celib \
3934			`ls -dr ${srcdir}/../celib-*3.[[0-9]]* 2>/dev/null` \
3935			; do
3936		    if test -d "$i/inc" ; then
3937			ac_cv_c_celibconfig=`(cd $i; pwd)`
3938			break
3939		    fi
3940		done
3941	    fi
3942	])
3943	if test x"${ac_cv_c_celibconfig}" = x ; then
3944	    AC_MSG_ERROR([Cannot find celib support library directory])
3945	else
3946	    no_celib=
3947	    CELIB_DIR=${ac_cv_c_celibconfig}
3948	    CELIB_DIR=`echo "$CELIB_DIR" | sed -e 's!\\\!/!g'`
3949	    AC_MSG_RESULT([found $CELIB_DIR])
3950	fi
3951    fi
3952])
3953
3954
3955# Local Variables:
3956# mode: autoconf
3957# End:
3958